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all geography including DSDP/ODP Sites and Legs
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Africa
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Burundi (1)
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Silicoflagellata (1)
-
Thecamoeba (1)
-
-
Vermes
-
Annelida (2)
-
Polychaeta
-
Serpulidae (2)
-
-
scolecodonts (1)
-
-
-
lichens (1)
-
microfossils
-
Charophyta (1)
-
Fusulinina
-
Fusulinidae (1)
-
-
problematic microfossils (1)
-
scolecodonts (1)
-
-
palynomorphs
-
acritarchs
-
Hystrichosphaeridae (1)
-
-
Dinoflagellata
-
Hystrichosphaeridae (1)
-
-
miospores
-
pollen (22)
-
-
-
Plantae
-
algae
-
calcareous algae (2)
-
Chlorophyta
-
Botryococcus (2)
-
Charophyta (1)
-
Chlorophyceae
-
Codiaceae
-
Halimeda (4)
-
-
-
-
Coccolithophoraceae
-
Coccolithus (1)
-
-
diatoms (3)
-
nannofossils
-
Nannoconus (1)
-
Sphenolithus (1)
-
-
Pyrrhophyta (1)
-
Rhodophyta
-
Corallinaceae
-
Lithophyllum (2)
-
Lithothamnium (2)
-
-
-
-
Bryophyta (1)
-
Pteridophyta
-
Filicopsida
-
Archaeopteris (1)
-
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae
-
Acer (1)
-
Ericaceae (1)
-
Leguminosae (1)
-
-
Monocotyledoneae
-
Palmae (1)
-
-
-
Gymnospermae (2)
-
-
-
problematic fossils
-
problematic microfossils (1)
-
-
thallophytes (45)
-
tracks (2)
-
-
geochronology methods
-
(U-Th)/He (5)
-
Ar/Ar (54)
-
exposure age (1)
-
fission-track dating (16)
-
K/Ar (37)
-
Lu/Hf (1)
-
optically stimulated luminescence (1)
-
paleomagnetism (32)
-
Pb/Pb (2)
-
racemization (2)
-
Rb/Sr (8)
-
Re/Os (4)
-
sclerochronology (1)
-
Sm/Nd (2)
-
Sr/Sr (4)
-
tephrochronology (6)
-
Th/U (11)
-
thermochronology (11)
-
tree rings (1)
-
U/Pb (36)
-
U/Th/Pb (2)
-
uranium disequilibrium (6)
-
-
geologic age
-
Cenozoic
-
Caloosahatchee Formation (2)
-
Quaternary
-
Holocene
-
Atlantic (1)
-
lower Holocene (5)
-
Medieval Warm Period (1)
-
middle Holocene (3)
-
Neoglacial
-
Little Ice Age (1)
-
-
upper Holocene
-
Little Ice Age (1)
-
-
-
Pleistocene
-
Bishop Tuff (1)
-
Key Largo Limestone (1)
-
lower Pleistocene
-
Calabrian (1)
-
Gelasian (2)
-
-
middle Pleistocene (8)
-
upper Pleistocene
-
Rancholabrean (1)
-
Sangamonian (2)
-
Weichselian
-
upper Weichselian
-
Younger Dryas (3)
-
-
-
Wisconsinan (1)
-
-
-
upper Quaternary (16)
-
-
Tertiary
-
Arikareean (1)
-
Carapita Formation (2)
-
lower Tertiary (6)
-
middle Tertiary (8)
-
Neogene
-
Aguacate Group (1)
-
Miocene
-
Columbia River Basalt Group (1)
-
lower Miocene
-
Aquitanian (2)
-
Chipola Formation (1)
-
Hemingfordian (1)
-
-
middle Miocene
-
Langhian (1)
-
-
Oficina Formation (6)
-
upper Miocene
-
Messinian (3)
-
Tortonian (3)
-
-
-
Pliocene
-
Bowden Formation (2)
-
lower Pliocene
-
Zanclean (2)
-
-
middle Pliocene (3)
-
upper Pliocene
-
Piacenzian (1)
-
-
-
upper Neogene (5)
-
-
Paleogene
-
Eocene
-
lower Eocene
-
Misoa Formation (6)
-
Ypresian (3)
-
-
middle Eocene
-
Bartonian (1)
-
Claiborne Group (1)
-
Lutetian (1)
-
-
Mirador Formation (3)
-
upper Eocene (19)
-
-
Oligocene
-
lower Oligocene (6)
-
upper Oligocene
-
Chattian (1)
-
-
-
Paleocene
-
Clayton Formation (1)
-
lower Paleocene
-
Danian (10)
-
K-T boundary (41)
-
-
middle Paleocene (1)
-
upper Paleocene (3)
-
-
Paleocene-Eocene Thermal Maximum (1)
-
Wilcox Group (1)
-
-
Pirabas Formation (1)
-
upper Tertiary (5)
-
-
upper Cenozoic
-
Pinecrest Beds (1)
-
-
-
Laurentide ice sheet (2)
-
Mesozoic
-
Cretaceous
-
Comanchean
-
Glen Rose Formation (1)
-
-
Lower Cretaceous
-
Albian
-
upper Albian (1)
-
-
Aptian (9)
-
Barremian (3)
-
Cheyenne Sandstone (1)
-
Glen Rose Formation (1)
-
Hauterivian (4)
-
Isachsen Formation (1)
-
Kiowa Formation (1)
-
Neocomian (1)
-
Urgonian (1)
-
Valanginian (1)
-
-
Middle Cretaceous (9)
-
Upper Cretaceous
-
Campanian
-
upper Campanian (1)
-
-
Cenomanian (6)
-
Coniacian (2)
-
Ferron Sandstone Member (1)
-
Gulfian
-
Prairie Bluff Chalk (1)
-
-
K-T boundary (41)
-
La Luna Formation (6)
-
Maestrichtian
-
lower Maestrichtian (1)
-
upper Maestrichtian (3)
-
-
Ripley Formation (1)
-
Santonian (2)
-
Selma Group (1)
-
Senonian (26)
-
Turonian (3)
-
-
-
Franciscan Complex (3)
-
Jurassic
-
Coast Range Ophiolite (1)
-
Middle Jurassic
-
Bajocian (2)
-
Bathonian (2)
-
Callovian (1)
-
-
Smartville Complex (1)
-
Upper Jurassic
-
Buckner Formation (1)
-
Kimmeridgian (2)
-
Oxfordian (1)
-
Portlandian (3)
-
Smackover Formation (2)
-
Tithonian (3)
-
-
-
lower Mesozoic (1)
-
Nicoya Complex (8)
-
Triassic
-
Lower Triassic
-
Dinwoody Formation (1)
-
Permian-Triassic boundary (1)
-
-
Middle Triassic (1)
-
Upper Triassic (1)
-
-
Vaca Muerta Formation (1)
-
-
MIS 3 (1)
-
MIS 5 (1)
-
Paleozoic
-
Cambrian
-
Lower Cambrian (1)
-
Middle Cambrian
-
Burgess Shale (1)
-
-
-
Carboniferous
-
Mississippian (1)
-
Pennsylvanian
-
Lower Pennsylvanian (1)
-
-
-
Devonian
-
Lower Devonian
-
Lochkovian (1)
-
-
Upper Devonian
-
Famennian (1)
-
Frasnian (2)
-
-
-
lower Paleozoic (1)
-
Ordovician
-
Middle Ordovician
-
Cloridorme Formation (1)
-
Normanskill Formation (1)
-
-
Upper Ordovician (1)
-
-
Permian
-
Guadalupian
-
Capitan Formation (2)
-
Capitanian (1)
-
Roadian (1)
-
Wordian (1)
-
-
Lower Permian
-
Cisuralian
-
Artinskian (2)
-
Asselian (1)
-
Kungurian (1)
-
Sakmarian (1)
-
-
Leonardian (1)
-
-
Middle Permian (1)
-
Upper Permian
-
Lopingian
-
Changhsingian (1)
-
Wuchiapingian (1)
-
-
Permian-Triassic boundary (1)
-
-
-
upper Paleozoic (3)
-
-
Phanerozoic (6)
-
Precambrian
-
Archean (5)
-
Stillwater Complex (1)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (1)
-
Neoproterozoic (3)
-
Paleoproterozoic (2)
-
-
-
-
-
igneous rocks
-
extrusive rocks (1)
-
igneous rocks
-
carbonatites (1)
-
granophyre (1)
-
hypabyssal rocks (2)
-
kimberlite (2)
-
picrite (2)
-
plutonic rocks
-
diabase (7)
-
diorites
-
plagiogranite (2)
-
quartz diorites (7)
-
tonalite (5)
-
trondhjemite (4)
-
-
gabbros (9)
-
granites
-
alkali granites (1)
-
biotite granite (1)
-
felsite (2)
-
-
granodiorites (12)
-
pegmatite (2)
-
quartz monzonite (3)
-
syenites
-
albitite (1)
-
-
ultramafics
-
chromitite (6)
-
peridotites
-
dunite (1)
-
harzburgite (4)
-
lherzolite (1)
-
-
-
-
porphyry
-
vitrophyre (1)
-
-
volcanic rocks
-
adakites (4)
-
andesites
-
boninite (2)
-
-
basalts
-
alkali basalts
-
spilite (3)
-
-
flood basalts (1)
-
mid-ocean ridge basalts (7)
-
ocean-island basalts (4)
-
olivine basalt (1)
-
tholeiite (15)
-
tholeiitic basalt (3)
-
-
basanite
-
ankaramite (2)
-
-
dacites (11)
-
glasses
-
volcanic glass (6)
-
-
keratophyre (1)
-
komatiite (2)
-
nephelinite (1)
-
pyroclastics
-
ash-flow tuff (4)
-
ignimbrite (13)
-
pumice (10)
-
scoria (5)
-
tuff (13)
-
tuffite (1)
-
welded tuff (1)
-
-
rhyodacites (6)
-
rhyolites
-
quartz porphyry (2)
-
-
vitrophyre (1)
-
-
-
ophiolite (29)
-
volcanic ash (26)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites
-
orthoamphibolite (1)
-
-
eclogite (13)
-
gneisses (6)
-
granulites (1)
-
hornfels (2)
-
impactites
-
impact breccia
-
suevite (2)
-
-
-
jadeitite (10)
-
marbles (2)
-
metacarbonate rocks (1)
-
metaigneous rocks
-
meta-andesite (1)
-
metabasalt (4)
-
metabasite (2)
-
metadacite (1)
-
metagranite (2)
-
metaperidotite (1)
-
metatuff (1)
-
serpentinite (17)
-
-
metasedimentary rocks
-
metachert (1)
-
metagraywacke (1)
-
metalimestone (1)
-
metasandstone (1)
-
-
metasomatic rocks
-
serpentinite (17)
-
skarn (8)
-
-
metavolcanic rocks (7)
-
mylonites
-
pseudotachylite (1)
-
-
phyllites (2)
-
quartzites (2)
-
schists
-
blueschist (8)
-
glaucophane schist (2)
-
greenschist (3)
-
greenstone (1)
-
-
-
ophiolite (29)
-
turbidite (26)
-
-
meteorites
-
meteorites
-
stony meteorites
-
achondrites (1)
-
chondrites
-
ordinary chondrites
-
L chondrites (1)
-
-
-
-
-
-
minerals
-
alloys (4)
-
arsenides (1)
-
carbonates
-
aragonite (26)
-
calcite (45)
-
dolomite (26)
-
hydrotalcite (1)
-
Iceland spar (1)
-
magnesian calcite (6)
-
siderite (2)
-
-
halides
-
chlorides
-
halite (1)
-
-
zunyite (1)
-
-
hydrates (2)
-
iron minerals (1)
-
minerals (49)
-
native elements
-
diamond
-
microdiamond (1)
-
-
-
organic minerals
-
amber (6)
-
-
oxalates
-
weddellite (1)
-
-
oxides
-
aluminum oxides (1)
-
asbolite (1)
-
birnessite (2)
-
chrome spinel (2)
-
chromite (7)
-
corundum (1)
-
goethite (2)
-
hematite (2)
-
hydroxides
-
iron hydroxides (1)
-
oxyhydroxides (1)
-
-
ilmenite (2)
-
iron oxides (1)
-
lithiophorite (1)
-
maghemite (2)
-
magnesium oxides (1)
-
magnetite (6)
-
manganese oxides (1)
-
spinel (2)
-
tantalates
-
microlite (2)
-
-
titanium oxides (1)
-
wustite (1)
-
-
phosphates
-
apatite (11)
-
crandallite (1)
-
fluorapatite (1)
-
hydroxylapatite (1)
-
plumbogummite (1)
-
-
platinum minerals (1)
-
silicates
-
aluminosilicates (1)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (1)
-
glaucophane (4)
-
hornblende (9)
-
nephrite (1)
-
tremolite (1)
-
-
-
deerite (1)
-
jade (3)
-
pyroxene group
-
clinopyroxene
-
augite (3)
-
fassaite (1)
-
jadeite (13)
-
omphacite (9)
-
-
orthopyroxene
-
enstatite (1)
-
-
-
wollastonite group
-
wollastonite (1)
-
-
xonotlite (2)
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
adularia (5)
-
K-feldspar (1)
-
-
plagioclase
-
albite (1)
-
anorthite (1)
-
-
-
silica minerals
-
cristobalite (1)
-
opal
-
opal-A (1)
-
-
quartz (13)
-
-
zeolite group
-
clinoptilolite (1)
-
mordenite (1)
-
wairakite (1)
-
-
-
garnierite (3)
-
orthosilicates
-
nesosilicates
-
garnet group
-
grossular (1)
-
majorite (1)
-
pyrope (1)
-
uvarovite (1)
-
-
kyanite (1)
-
olivine group
-
olivine (8)
-
-
zircon group
-
zircon (47)
-
-
-
sorosilicates
-
chevkinite group
-
chevkinite (1)
-
perrierite (1)
-
-
epidote group
-
epidote (2)
-
-
lawsonite (8)
-
pumpellyite group
-
pumpellyite (4)
-
-
zunyite (1)
-
-
-
ring silicates
-
tourmaline group (1)
-
-
sheet silicates
-
cerolite (1)
-
chlorite group
-
chamosite (1)
-
chlorite (4)
-
clinochlore (1)
-
-
clay minerals
-
allophane (1)
-
beidellite (2)
-
dickite (1)
-
halloysite (3)
-
kaolinite (11)
-
montmorillonite (5)
-
nontronite (1)
-
saponite (1)
-
smectite (15)
-
vermiculite (1)
-
-
illite (8)
-
mica group
-
biotite (7)
-
celadonite (1)
-
glauconite (1)
-
muscovite (3)
-
paragonite (1)
-
phengite (3)
-
phlogopite (1)
-
-
palygorskite (1)
-
pyrophyllite (1)
-
sepiolite (3)
-
sericite (1)
-
serpentine group
-
chrysotile (1)
-
lizardite (1)
-
serpentine (7)
-
-
talc (1)
-
-
-
sulfates
-
alunite (5)
-
anhydrite (1)
-
barite (2)
-
gypsum (3)
-
halotrichite (1)
-
jarosite (2)
-
melanterite (1)
-
natroalunite (1)
-
thenardite (1)
-
-
sulfides
-
chalcopyrite (1)
-
copper sulfides (1)
-
cubanite (1)
-
galena (1)
-
kesterite (1)
-
laurite (3)
-
millerite (1)
-
molybdenite (4)
-
pentlandite (1)
-
pyrite (14)
-
pyrrhotite (1)
-
sphalerite (4)
-
-
sulfosalts
-
sulfostannates
-
stannite (1)
-
-
-
vanadates (9)
-
-
Primary terms
-
absolute age (187)
-
Africa
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Central Africa
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Burundi (1)
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Congo (1)
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Congo Democratic Republic (1)
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East Africa
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Djibouti (1)
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Ethiopia (3)
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Madagascar (1)
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North Africa
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Egypt
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Tunisia
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El Kef Tunisia (1)
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-
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Southern Africa
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South Africa (2)
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West Africa
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Ghana (1)
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Guinea (1)
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Liberia (2)
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Nigeria
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Niger Delta (1)
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Senegal (1)
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Sierra Leone (3)
-
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West African Craton (1)
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West African Shield (3)
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Antarctica
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Antarctic ice sheet
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West Antarctic ice sheet (1)
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Arctic Ocean
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Arctic region
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Greenland
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Russian Arctic
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Asia
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Central Asia
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Kazakhstan
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Kokchetav Kazakhstan
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Kokchetav Massif (1)
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Lake Balkhash (1)
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Far East
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Burma (4)
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China
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Xinjiang China
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Indonesia
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Java
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Japan
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Honshu
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Hyogo Japan
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Iwate Japan
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Kakkonda Field (1)
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Onikobe Field (1)
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Kyushu
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Sakura-jima (1)
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Ryukyu Islands (1)
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Sambagawa Belt (1)
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Lesser Sunda Islands
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Philippine Islands
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Luzon
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Mount Pinatubo (2)
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Taiwan (7)
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Indian Peninsula
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India
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Northeastern India
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Meghalaya India (1)
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Nepal (1)
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Pakistan (2)
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Kamchatka Russian Federation
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Middle East
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Popigay Structure (1)
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Southeast Asia (1)
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associations (4)
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asteroids (1)
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Atlantic Ocean
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Induced Resonance and Forces Imparted on Buildings from Volcano Infrasound Open Access
Sequence and cyclostratigraphic analysis of Paleocene carbonate sediments in the Chicxulub impact crater: Implications for sea level change and climate dynamics Available to Purchase
Integration of FWI-derived reflectivity in seismic interpretation Available to Purchase
The role of mobile muds in basin form and fill in the tectonic and sedimentologically complex region of the Southeastern Margin of the Caribbean Plate, Trinidad and Tobago, West Indies Available to Purchase
Probabilistic seismic hazard analysis for the Dominican Republic Available to Purchase
Impact of ground motion uncertainty evolution from post-earthquake data on building damage assessment Available to Purchase
The Geology, Geochemistry, and Mineralogy of the Moa Bay Ni Laterite Mining District, Cuba Available to Purchase
Field geology under the sea with a remotely operated vehicle: Mona Rift, Puerto Rico Open Access
First Installation of an Optical Ocean‐Bottom Seismometer, Cabled Offshore Les Saintes, Lesser Antilles Available to Purchase
The Cibarco anticline of the northernmost San Jacinto fold belt: Possible influence of mud diapirism on the Neogene to the recent evolution of the structure where the first oil and gas wells were drilled in Colombia Available to Purchase
Geologic Input Databases for the 2025 Puerto Rico—U.S. Virgin Islands National Seismic Hazard Model Update: Crustal Faults Component Available to Purchase
Relationships Between Upper‐Plate Structure, Mantle Wedge Melting, and Fore‐Arc Sliver Transport in the Nicaraguan Subduction Zone Open Access
b ‐Value Maps for Some Volcanoes Worldwide: What Do We Learn? Available to Purchase
Ultrahigh-pressure to high-pressure eclogite in Cuban ophiolitic mélange reveals proto-Caribbean spreading ridge subduction Available to Purchase
One Adventure after Another: Turning Challenges into Opportunities Available to Purchase
ABSTRACT Born in Chicago, Illinois, I am a beneficiary of doors being opened during the 1960s. I was able to attend the University of Chicago Laboratory High School, and after high school, I attended Michigan Technological University. Thinking I’d like to become an architect, I enrolled in the civil engineering program. During orientation week, I discovered the geology department, and as my first class as a civil engineering major was Principles of Geology, it wasn’t long before the hook was set! However, I never really considered a career as a geologist after college because I assumed the draft and the Vietnam War would determine my ultimate fate. But I wasn’t drafted, and, ultimately, I took a job with Shell Oil Company in New Orleans as an “engineer,” though I had a geology degree. Realizing this was not the job I wanted or the place I wanted to be, I sought an adventure by going to the University of Alaska to get a master’s degree. This led to many more adventures and challenges as I learned to adapt to a new environment far different from my past experience. As I finished the master’s degree, I was invited to join the U.S. Geological Survey (USGS) and began a long career with the Alaska group of the USGS. It, too, has been one continuing adventure, working with and learning from some amazing people through the years. I only hope that others can find their way to their own adventures in the geosciences. There have been barriers thrown up along the way at times, sometimes reflecting that I’m African American. Yet, in all cases, I’ve found ways to adapt or overcome. My style has been to get along, but sometimes I’ve needed to push through barriers to accomplish my goal at the time.
Hydrous Melting and its Seismic Signature Available to Purchase
Sedimentary signatures of large earthquakes along the submerged Enriquillo–Plantain Garden transpressional plate boundary, northern Caribbean Open Access
Biostratigraphic analysis of a Late Pleistocene to Holocene section from Punta Pescador, eastern Venezuela Available to Purchase
High-precision U-Pb geochronology for the Miocene Climate Optimum and a novel approach for calibrating age models in deep-sea sediment cores Available to Purchase
Incorporating diverse voices in geoconservation in Portland, Jamaica Available to Purchase
Abstract Sites of geological relevance in East Portland are representative of the geological history of Jamaica and are important to elucidate Caribbean geotectonic evolution. Geological significance overlaps with natural and cultural heritage of international relevance, especially related to Maroon communities. In this region, the Jamaican highest peak rises steeply from sea level; the ocean is the focus of important conservation efforts. This study employs an interpretative phenomenological analysis to explore place attachment as experienced by East Portland residents. We engaged in conversations with 16 diverse community members through interviews and a focus group. Two dimensions of place attachment emerged: place identity and place dependence, showing that East Portland is home to people who depend on, identify with and are committed to protecting nature. We present an approach to mapping place attachment, which resulted in an important tool of analysis when overlapping with layers of information like geoheritage. The geological significance, natural and cultural richness and the connections the locals have with nature make East Portland an ideal prototype for geoconservation. This study also reveals that attachment to a place does not necessarily correspond to attachment to geoscientific significance; for common meanings to emerge, geoscientists and locals must collaborate.