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hydrogen
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Al-26 (2)
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stable isotopes
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Be-10/Be-9 (1)
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C-13/C-12 (18)
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Cu-65 (1)
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D/H (3)
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Fe-56/Fe-54 (2)
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Hf-177/Hf-176 (6)
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N-15/N-14 (3)
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Nd-144/Nd-143 (4)
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O-18/O-16 (19)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (2)
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Pb-207/Pb-206 (1)
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Pb-208/Pb-204 (2)
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Rb-87/Sr-86 (1)
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S-33/S-32 (1)
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S-34/S-32 (11)
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Sr-87/Sr-86 (9)
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Zn-66 (1)
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Lu/Hf (2)
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metals
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beryllium
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Be-10 (2)
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Be-10/Be-9 (1)
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calcium
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Ba/Ca (2)
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Mg/Ca (2)
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Sr/Ca (3)
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magnesium
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Mg/Ca (2)
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radium
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Ra-226 (1)
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Ra-228 (1)
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strontium
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Rb-87/Sr-86 (1)
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Sr/Ca (3)
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Sr-87/Sr-86 (9)
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aluminum
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Al-26 (2)
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copper
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Cu-65 (1)
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gold (6)
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hafnium
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Hf-177/Hf-176 (6)
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iron
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Fe-56/Fe-54 (2)
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lead
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (2)
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Pb-208/Pb-204 (2)
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Pb-210 (3)
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neodymium
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Nd-144/Nd-143 (4)
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samarium
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yttrium (1)
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rhenium
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Re-187/Os-188 (1)
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silver (3)
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zinc
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Zn-65 (1)
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Zn-66 (1)
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nitrogen
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N-15/N-14 (3)
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noble gases
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helium
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He-3 (1)
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radon
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Rn-222 (1)
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oxygen
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dissolved oxygen (1)
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O-18/O-16 (19)
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phosphorus (2)
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sulfur
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S-33/S-32 (1)
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S-34/S-32 (11)
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trace metals (2)
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fossils
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Chordata
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Vertebrata
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Pisces
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Osteichthyes
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Tetrapoda
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Strigiformes (1)
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Mammalia
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Theria
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Artiodactyla
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Hippopotamidae
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Carnivora
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Fissipeda
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Felidae
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Insectivora
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Proteutheria
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Rodentia
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Myomorpha
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Cricetidae
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Microtus (1)
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Thelodonti (1)
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fungi (1)
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ichnofossils
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Arenicolites (2)
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Invertebrata
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Articulata
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Terebratulida (1)
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Bryozoa
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Trepostomata (1)
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Cnidaria
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Scleractinia
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Acropora
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Porites (1)
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Echinodermata
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Crinozoa
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Crinoidea (1)
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Mollusca
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Bivalvia
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Heterodonta
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Cardiidae (1)
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Ostreoidea
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Ostreidae (1)
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Palaeoheterodonta
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Cephalopoda
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Ammonoidea
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Anarcestida (1)
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Coleoidea
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Belemnoidea (1)
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Nautiloidea (1)
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Gastropoda
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Turritellidae (1)
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Porifera (1)
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Protista
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Foraminifera
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Miliolina
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Quinqueloculina (2)
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Rotaliina
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Buliminacea
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Bulimina (1)
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Uvigerinidae
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Uvigerina (1)
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Cassidulinacea
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Anomalinidae
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Cibicidoides (1)
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Globigerinacea
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Globigerinidae
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Globigerinoides
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Globigerinoides ruber (1)
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Globigerinoides sacculifer (1)
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Orbulina
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Orbulina universa (1)
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Globorotaliidae
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Globorotalia
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Globorotalia menardii (1)
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Neogloboquadrina
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Neogloboquadrina pachyderma (1)
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Orbitoidacea
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Amphistegina (1)
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Rotaliacea
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Ammonia (1)
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Elphidium (1)
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Heterostegina
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Textulariina
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Lituolacea
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Ammobaculites (1)
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microfossils
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Conodonta (1)
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palynomorphs
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Plantae
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Chlorophyta
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Tasmanites (1)
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diatoms (1)
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Pteridophyta
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Lycopsida
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Spermatophyta
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Angiospermae
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Compositae (1)
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Gymnospermae
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Coniferales
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Pinaceae (1)
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-
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geochronology methods
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(U-Th)/He (2)
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Ar/Ar (3)
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exposure age (2)
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fission-track dating (1)
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Lu/Hf (2)
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Nd/Nd (1)
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optically stimulated luminescence (2)
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U/Pb (16)
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geologic age
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Cenozoic
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Quaternary
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Holocene
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Pleistocene
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Bishop Tuff (1)
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upper Pleistocene
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Wisconsinan
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middle Wisconsinan (1)
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upper Wisconsinan (1)
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-
-
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Tertiary
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Asmari Formation (1)
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Neogene
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Miocene
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upper Miocene (1)
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Pliocene
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middle Pliocene (1)
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-
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Paleogene
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Chadron Formation (1)
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Eocene
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lower Eocene
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Willwood Formation (1)
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middle Eocene
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Tyee Formation (1)
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-
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lower Paleogene (1)
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Oligocene
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Brule Formation (1)
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upper Oligocene (1)
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Paleocene (3)
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Paleocene-Eocene Thermal Maximum (1)
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White River Group (1)
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-
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Dalradian (1)
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Laurentide ice sheet (1)
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Mesozoic
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Cretaceous
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Lower Cretaceous
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McMurray Formation (2)
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Muddy Sandstone (1)
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Mancos Shale (1)
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Middle Cretaceous (2)
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Upper Cretaceous
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Blackhawk Formation (1)
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Campanian
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Dinosaur Park Formation (1)
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Edmonton Group (1)
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Ferron Sandstone Member (1)
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Gallup Sandstone (1)
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Maestrichtian (2)
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Milk River Formation (1)
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Oldman Formation (1)
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Turonian (1)
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Tuscaloosa Formation (1)
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Whitemud Formation (1)
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Yezo Group (1)
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Jurassic
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Aztec Sandstone (1)
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Lower Jurassic
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Nordegg Member (1)
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Toarcian
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lower Toarcian (1)
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-
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Middle Jurassic
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Bajocian
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Brent Group (1)
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Rannoch Formation (1)
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-
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Posidonia Shale (1)
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Upper Jurassic
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Morrison Formation (1)
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-
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Orocopia Schist (1)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (1)
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Middle Triassic
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Doig Formation (1)
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Montney Formation (1)
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Nicola Group (1)
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Sherwood Sandstone (1)
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Upper Triassic
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Chinle Formation (1)
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-
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upper Mesozoic
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Yixian Formation (1)
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Vaca Muerta Formation (1)
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Paleozoic
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Cambrian
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Lower Cambrian (3)
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Middle Cambrian
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Burgess Shale (1)
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Upper Cambrian (1)
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Carboniferous
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Lower Carboniferous
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Dinantian (1)
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Mississippian
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Upper Mississippian
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Chesterian
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Cypress Sandstone (1)
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Pennsylvanian
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Middle Pennsylvanian (1)
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Minturn Formation (1)
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Upper Pennsylvanian (1)
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Devonian
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Lower Devonian (1)
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Old Red Sandstone (1)
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Slave Point Formation (1)
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Upper Devonian
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Famennian
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Wabamun Group (1)
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Frasnian
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Leduc Formation (1)
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Nisku Formation (1)
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-
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lower Paleozoic (1)
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Ordovician
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Lower Ordovician
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Fillmore Formation (1)
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Ibexian (1)
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Middle Ordovician
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Whiterockian (1)
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Montoya Group (1)
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Skiddaw Slates (1)
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Upper Ordovician
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Caradocian
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Borrowdale Volcanic Group (1)
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Red River Formation (1)
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-
-
Permian
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Glorieta Sandstone (1)
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Lower Permian
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Wolfcampian (2)
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Phosphoria Formation (1)
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Rotliegendes (1)
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Upper Permian
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Permian-Triassic boundary (1)
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-
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Silurian
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Lower Silurian
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Llandovery (1)
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Wenlock (1)
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Middle Silurian
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Roberts Mountains Formation (1)
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-
-
Tensleep Sandstone (1)
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upper Paleozoic (1)
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Weber Sandstone (1)
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Woodford Shale (1)
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-
Precambrian
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Archean
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J-M Reef (1)
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Singhbhum Granite (1)
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Kisseynew Complex (1)
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Stillwater Complex (1)
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upper Precambrian
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Proterozoic
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Huronian (1)
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Keweenawan
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Portage Lake Lava Series (1)
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Lewisian (1)
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Lorrain Formation (1)
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Mesoproterozoic
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Gawler Range Volcanics (1)
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-
Neoproterozoic
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Cryogenian (2)
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Doushantuo Formation (1)
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Ediacaran (3)
-
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Paleoproterozoic (8)
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Pretoria Group (1)
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Sinian
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Doushantuo Formation (1)
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Udokan Series (1)
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-
-
-
-
igneous rocks
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igneous rocks
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hypabyssal rocks (1)
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kimberlite (5)
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plutonic rocks
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anorthosite (2)
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diorites
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quartz diorites (1)
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tonalite (2)
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gabbros
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norite (1)
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granites
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rapakivi (1)
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pyroxenite
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clinopyroxenite (1)
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websterite (2)
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porphyry (2)
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volcanic rocks
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basalts
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glasses
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volcanic glass (1)
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pyroclastics (2)
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rhyolites (1)
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ophiolite (1)
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volcanic ash (1)
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metamorphic rocks
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orthogneiss (3)
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granulites (2)
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metaigneous rocks
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metasedimentary rocks
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metasandstone (1)
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metasomatic rocks
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metavolcanic rocks (1)
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ophiolite (1)
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turbidite (3)
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meteorites
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meteorites
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Allan Hills Meteorites
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ALH 84001 (1)
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iron meteorites (1)
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stony meteorites
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achondrites
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Martian meteorites
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ALH 84001 (1)
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chondrites
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ordinary chondrites
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L chondrites (1)
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-
-
-
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minerals
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arsenates (1)
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arsenides
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nickeline (1)
-
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carbonates
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aragonite (2)
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bastnaesite (1)
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calcite (2)
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dolomite (6)
-
-
halides
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fluorides
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bastnaesite (1)
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fluorite (1)
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Al-26 (2)
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Be-10/Be-9 (1)
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C-13/C-12 (18)
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D/H (3)
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N-15/N-14 (3)
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O-18/O-16 (19)
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Pb-206/Pb-204 (2)
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Rb-87/Sr-86 (1)
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Sr-87/Sr-86 (9)
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Zn-66 (1)
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land use (10)
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Mesozoic
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Cretaceous
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McMurray Formation (2)
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Mancos Shale (1)
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Blackhawk Formation (1)
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Campanian
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Dinosaur Park Formation (1)
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Edmonton Group (1)
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Ferron Sandstone Member (1)
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Gallup Sandstone (1)
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Milk River Formation (1)
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Oldman Formation (1)
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Whitemud Formation (1)
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Yezo Group (1)
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Jurassic
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Aztec Sandstone (1)
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Nordegg Member (1)
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Toarcian
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Middle Jurassic
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Bajocian
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Rannoch Formation (1)
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Posidonia Shale (1)
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Upper Jurassic
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Morrison Formation (1)
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-
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Orocopia Schist (1)
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Triassic
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Permian-Triassic boundary (1)
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Middle Triassic
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Doig Formation (1)
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Montney Formation (1)
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Nicola Group (1)
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Sherwood Sandstone (1)
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Upper Triassic
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Chinle Formation (1)
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upper Mesozoic
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Yixian Formation (1)
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Vaca Muerta Formation (1)
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sodium (3)
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Ba/Ca (2)
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Be-10 (2)
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Ra-226 (1)
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strontium
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Rb-87/Sr-86 (1)
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Sr-87/Sr-86 (9)
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aluminum
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Hf-177/Hf-176 (6)
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iron
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lead
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North America
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Ocean Drilling Program
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Leg 111
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Leg 165
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Paleozoic
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Nisku Formation (1)
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lower Paleozoic (1)
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Ordovician
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Red River Formation (1)
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Permian
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Glorieta Sandstone (1)
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Wolfcampian (2)
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Phosphoria Formation (1)
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Silurian
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Tensleep Sandstone (1)
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Plantae
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Spermatophyta
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plate tectonics (18)
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Precambrian
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upper Precambrian
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1-20 OF 594 RESULTS FOR
quartile deviation
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Journal Article
Quartile deviation-median diameter analysis of surface and core sediments from Start Bay Available to Purchase
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 01 February 1975
Journal of the Geological Society (1975) 131 (1): 51–56.
...JOHN McMANUS Abstract Quartile deviation-median diameter analysis is sufficiently sensitive to permit sectors of bed characterized by wave or current dominant sediments to be recognized. These may be related to modern conditions or to erosion of buried sub-recent deposits which cores indicate exist...
Journal Article
The application of quartile deviation-median diameter curves to the interpretation of sedimentary rocks Available to Purchase
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 01 February 1974
Journal of the Geological Society (1974) 130 (1): 79–83.
...ANTONY T. BULLER; JOHN McMANUS Abstract Textural differences between present-day sediments collected from fluviatile, beach and aeolian environments, can be demonstrated by plotting values of quartile deviation measures (QDa) against the medians (Md) on double-log paper for each environment...
Journal Article
Modes of turbidite deposition deduced from grain-sized analyses Free
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 01 November 1972
Geological Magazine (1973) 109 (6): 491–500.
...A. T. Buller; Mcmanus J. Abstract Analyses samples of turbidites from the Gulf of Alaska, Arctic Ocean, Norwegian fjords and elsewhere and presents plots of quartile deviations and medians from grain-size distributions. These are compared with similar analyses of ancient turbidites. Implications...
Image
(a) Evolution of the miospore diameter through the composite section. Mean ... Available to Purchase
in Morphometric analysis of proposed evolutionary lineages of Early Devonian land plant spores
> Geological Magazine
Published: 01 May 2005
Figure 7. (a) Evolution of the miospore diameter through the composite section. Mean size and quartile deviations of the whole miospore population are shown by the vertical dashes and solid curved line. The black dotted line shows evolution of the mean size of the studied Emphanisporites
Journal Article
Comparison of moment measures for sieving and thin-section data in sedimentary petrological studies Available to Purchase
Journal: Journal of Sedimentary Research
Publisher: SEPM Society for Sedimentary Geology
Published: 01 March 1962
Journal of Sedimentary Research (1962) 32 (1): 15–25.
...Gerald M. Friedman Abstract It has been shown that a linear relationship exists for size analysis between the quartile measures of sieving and thin-section data. This study has been extended to moment measures since they are the most suitable statistics for describing the textural characteristics...
Image
Thicknesses of 44 floodplain aggradation cycles in the composite stratigrap... Available to Purchase
in Lateral and vertical characteristics of floodplain aggradation cycles in the lower Eocene Willwood Formation, Bighorn Basin, Wyoming, USA
> GSA Bulletin
Published: 18 October 2023
deviation (2.0 m), and coefficient of variation (standard deviation/mean; 29%) of these 44 floodplain aggradation cycles’ thicknesses. The box boundaries represent lower and upper quartiles, lines extending from boxes indicate the 1st to 2nd and 3rd to 4th quartile ranges, lines and squares within boxes
Image
Box and Whisker plots of sample standard deviation of the mean relative dif... Available to Purchase
Published: 01 November 2012
Fig. 10. Box and Whisker plots of sample standard deviation of the mean relative differences (SDMRD) for three categories of extent (<200, 200–2000, >2000 m). The caps at the end of each box indicate the minimum and maximum, the lower and upper quartiles delimit the box, and the line
Image
Summary of statistical descriptive parameters of centering, dispersion and ... Available to Purchase
in Geochemical background, baseline and origin of contaminants from sediments in the mining-impacted Altiplano and Eastern Cordillera of Oruro, Bolivia
> Geochemistry: Exploration, Environment, Analysis
Published: 01 February 2012
Table 2. Summary of statistical descriptive parameters of centering, dispersion and shape. Concentrations in mg/kg. N, north cores; S, south cores; 1 , this work; 2 , Oruro Pilot Project (PPO); MAD, median absolute deviation; Q 2 , second quartile; Q 3 , third quartile
Image
Box and Whisker plots for the sample standard deviation of the mean relativ... Available to Purchase
Published: 01 November 2012
Fig. 8. Box and Whisker plots for the sample standard deviation of the mean relative differences (SDMRD) according to surface (from 0 to 0.2 m), profile (from 0 to 0.3 m and deeper), and subsurface (at specific depths, with varying thickness) soil water content (SWC) measurements. The caps
Image
Box plots showing variations in standard deviation (SD) for all parameters ... Available to Purchase
in Bayesian Parameter Estimation for Space and Time Interacting Earthquake Rupture Model Using Historical and Physics‐Based Simulated Earthquake Catalogs
> Bulletin of the Seismological Society of America
Published: 29 June 2021
Figure 11. Box plots showing variations in standard deviation (SD) for all parameters relative to the initial prior distribution after nine different two‐step updates, the combination of all two‐step posteriors, and a one‐step update with only the historical catalog. The variations in SD
Image
Performance plots of V S 30 prediction models using (a) all ... Available to Purchase
in A Novel V S 30 Prediction Strategy Taking Fluid Saturation into Account and a New V S 30 Model of Türkiye
> Bulletin of the Seismological Society of America
Published: 21 December 2023
, logarithmic ratio between measured and predicted V S 30 values with medians ( η ) and standard deviations ( σ ) in the middle, and box‐whisker plots of residuals (measured–predicted) with outliers on the right. The box represents the interquartile range (IQR) between the first and third
Image
Summary statistics of the populations of whole-shell TE/Ca values, includin... Open Access
in INTRATEST TRACE ELEMENT VARIABILITY IN POLAR AND SUBPOLAR PLANKTIC FORAMINIFERA: INSIGHTS INTO VITAL EFFECTS, ONTOGENY, AND BIOMINERALIZATION PROCESSES
> Journal of Foraminiferal Research
Published: 22 October 2024
Table 1. Summary statistics of the populations of whole-shell TE/Ca values, including number of individuals measured, the mean, standard deviation, maximum and minimum values, the range, and inter-quartile range. Note that these values were calculated to include outliers that are not incorporated
Image
Assumed log-normal distribution of platelet diameters (mean μ = 500 Å, stan... Available to Purchase
in EFFECT OF POLYDISPERSITY OF CLAY PLATELETS ON THE AGGREGATION AND MECHANICAL PROPERTIES OF CLAY AT THE MESOSCALE
> Clays and Clay Minerals
Published: 01 August 2016
Figure 1. Assumed log-normal distribution of platelet diameters (mean μ = 500 Å, standard deviation σ = 1.73 Å). Each quartile is represented by its mean value.
Image
Distributions of back‐azimuth errors corresponding to the frequency bandwid... Available to Purchase
in Automatic Determination of Back Azimuth Based on a Single Mini Array for an Earthquake Early Warning System
> Bulletin of the Seismological Society of America
Published: 17 February 2023
Figure 6. Distributions of back‐azimuth errors corresponding to the frequency bandwidths. (a) Back‐azimuth errors at each passband. The back‐azimuth errors are denoted by gray circles. Error bars were plotted using the average and standard deviation obtained from the errors at each passband. (b
Image
Estimated rotation angles for stations and epochs that deviate by more than... Available to Purchase
in Observations of Seismometer Calibration and Orientation at USArray Stations, 2006–2015
> Bulletin of the Seismological Society of America
Published: 22 May 2018
Figure 10. Estimated rotation angles for stations and epochs that deviate by more than 7° from the reported orientation. The uncertainty of each estimate is given by the horizontal error bar and corresponds to the range of the second and third quartiles of individual measurements. Station
Image
Comparison of minimum limiting bedrock and boulder sample age populations s... Available to Purchase
in Constraining landscape history and glacial erosivity using paired cosmogenic nuclides in Upernavik, northwest Greenland
> GSA Bulletin
Published: 01 September 2013
Figure 11. Comparison of minimum limiting bedrock and boulder sample age populations shown by box and whisker plots (bedrock, n = 20; boulders n = 13). The box encloses the area between the first and third quartiles, and the horizontal line represents the median. Whiskers show one standard
Journal Article
Measures for describing the size distribution of sediments Available to Purchase
Journal: Journal of Sedimentary Research
Publisher: SEPM Society for Sedimentary Geology
Published: 01 September 1952
Journal of Sedimentary Research (1952) 22 (3): 125–145.
...Douglas Lamar Inman Abstract Numerous measures are used in the literature to describe the grain-size distribution of sediments. Consideration of these measures indicates that parameters computed from quartiles may not be as significant as those based on more rigorous statistical concepts...
Image
Empirical path corrections (dots) as a function of epicentral distance (a) ... Available to Purchase
in Collection of a Reference Event Set for Regional and Teleseismic Location Calibration
> Bulletin of the Seismological Society of America
Published: 01 August 2004
Figure 9. Empirical path corrections (dots) as a function of epicentral distance (a) and their standard deviations versus epicentral distance (b). The solid line connects the medians of every 5 percentile points of data, the bars indicate the range, and the boxes indicate the 25% and 75
Image
Empirical path corrections (dots) as a function of epicentral distance (a) ... Available to Purchase
in Collection of a Reference Event Set for Regional and Teleseismic Location Calibration
> Bulletin of the Seismological Society of America
Published: 01 August 2004
Figure 9. Empirical path corrections (dots) as a function of epicentral distance (a) and their standard deviations versus epicentral distance (b). The solid line connects the medians of every 5 percentile points of data, the bars indicate the range, and the boxes indicate the 25% and 75
Image
Foraminiferal and environmental data of the five live assemblages: A Aver... Available to Purchase
in Distribution of Modern Salt-marsh Foraminifera from the Eastern Mississippi Sound, U.s.a.
> Journal of Foraminiferal Research
Published: 11 January 2019
Figure 6. Foraminiferal and environmental data of the five live assemblages: A Average density of live foraminifera with one standard deviation error bars, B Fisher's α diversity, C organic carbon estimate, D salinity, E elevation box plot of all sites of live assemblages. Note: Tidal
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