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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
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Atlantic Ocean
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North Atlantic
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Gulf of Mexico (3)
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Northwest Atlantic
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Demerara Rise (1)
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Gulf of Mexico Basin (1)
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Maverick Basin (4)
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Mexico (1)
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North America
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Gulf Coastal Plain (14)
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Western Interior
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Western Interior Seaway (1)
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-
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United States
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Alabama (1)
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Arkansas (1)
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Louisiana (6)
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Mississippi (1)
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Sabine Uplift (4)
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Texas
-
Anderson County Texas (1)
-
Balcones fault zone (2)
-
Bell County Texas (1)
-
Collin County Texas (1)
-
Dallas County Texas
-
Dallas Texas (2)
-
-
Denton County Texas (1)
-
East Texas (8)
-
East Texas Basin (39)
-
East Texas Field (4)
-
Ellis County Texas (1)
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Falls County Texas (1)
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Fannin County Texas (1)
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Freestone County Texas (1)
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Grayson County Texas (1)
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Gregg County Texas (1)
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Harrison County Texas (2)
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Houston County Texas (1)
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Leon County Texas (2)
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McLennan County Texas
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Waco Texas (2)
-
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Nacogdoches County Texas (1)
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Panola County Texas (2)
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Rusk County Texas (3)
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San Marcos Arch (3)
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Smith County Texas (1)
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Tarrant County Texas (1)
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Upshur County Texas (1)
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Val Verde Basin (1)
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-
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commodities
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bitumens (1)
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energy sources (3)
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oil and gas fields (10)
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petroleum
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natural gas (11)
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tight sands (3)
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elements, isotopes
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carbon
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C-13/C-12 (1)
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organic carbon (1)
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isotope ratios (2)
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isotopes
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radioactive isotopes (1)
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stable isotopes
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C-13/C-12 (1)
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S-34/S-32 (1)
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Sr-87/Sr-86 (1)
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metals
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alkaline earth metals
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strontium
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Sr-87/Sr-86 (1)
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nitrogen (1)
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sulfur
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organic sulfur (1)
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S-34/S-32 (1)
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fossils
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Chordata
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Vertebrata
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Tetrapoda
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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Lepidosauria
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Squamata
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Lacertilia
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Mosasauridae (1)
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-
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Sauropterygia
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Plesiosauria (1)
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-
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Invertebrata
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Cnidaria
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Anthozoa (1)
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Mollusca
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Cephalopoda
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Ammonoidea
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Ammonites (1)
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Protista
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Foraminifera (1)
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microfossils (1)
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tracks (1)
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geologic age
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Cenozoic
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Tertiary
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Paleogene
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Eocene
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lower Eocene (2)
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middle Eocene
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Carrizo Sand (2)
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Queen City Formation (1)
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-
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Oligocene
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middle Oligocene (1)
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Vicksburg Group (1)
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Wilcox Group (2)
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-
-
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Mesozoic
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Cretaceous
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Comanchean
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Buda Limestone (1)
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Edwards Formation (1)
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Fredericksburg Group (1)
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Georgetown Formation (1)
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Paluxy Formation (1)
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Rodessa Formation (3)
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Travis Peak Formation (5)
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Washita Group (2)
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Lower Cretaceous
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Albian (1)
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Edwards Formation (1)
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Fredericksburg Group (1)
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Georgetown Formation (1)
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Hosston Formation (1)
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Paluxy Formation (1)
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Rodessa Formation (3)
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Travis Peak Formation (5)
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Upper Cretaceous
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Buda Limestone (1)
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Campanian
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lower Campanian (1)
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Cenomanian (5)
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Gulfian
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Austin Chalk (2)
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Austin Group (2)
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Eagle Ford Formation (6)
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Olmos Formation (1)
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Taylor Marl (1)
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Woodbine Formation (8)
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Turonian (2)
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Tuscaloosa Formation (1)
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Jurassic
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Middle Jurassic (1)
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Norphlet Formation (1)
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Upper Jurassic
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Bossier Formation (4)
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Cotton Valley Group (7)
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Haynesville Formation (2)
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Schuler Formation (2)
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Smackover Formation (4)
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lower Mesozoic (1)
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Paleozoic
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Carboniferous
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Upper Pennsylvanian
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Canyon Group (1)
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upper Paleozoic
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minerals
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carbonates
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silicates
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framework silicates
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silica minerals
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quartz (1)
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sheet silicates
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sulfates
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anhydrite (1)
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Primary terms
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Atlantic Ocean
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North Atlantic
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Gulf of Mexico (3)
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Northwest Atlantic
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Demerara Rise (1)
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-
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bitumens (1)
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carbon
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C-13/C-12 (1)
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organic carbon (1)
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-
Cenozoic
-
Tertiary
-
Paleogene
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Eocene
-
lower Eocene (2)
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middle Eocene
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Carrizo Sand (2)
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Queen City Formation (1)
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-
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Oligocene
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middle Oligocene (1)
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Vicksburg Group (1)
-
-
Wilcox Group (2)
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-
-
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Chordata
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Vertebrata
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Tetrapoda
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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Lepidosauria
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Squamata
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Lacertilia
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Mosasauridae (1)
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Sauropterygia
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Plesiosauria (1)
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crystal growth (1)
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deformation (1)
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diagenesis (10)
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economic geology (9)
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environmental geology (1)
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faults (2)
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heat flow (1)
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fluid inclusions (1)
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Invertebrata
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Cnidaria
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Anthozoa (1)
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Mollusca
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Cephalopoda
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Ammonoidea
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Ammonites (1)
-
-
-
-
Protista
-
Foraminifera (1)
-
-
-
isotopes
-
radioactive isotopes (1)
-
stable isotopes
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C-13/C-12 (1)
-
S-34/S-32 (1)
-
Sr-87/Sr-86 (1)
-
-
-
Mesozoic
-
Cretaceous
-
Comanchean
-
Buda Limestone (1)
-
Edwards Formation (1)
-
Fredericksburg Group (1)
-
Georgetown Formation (1)
-
Paluxy Formation (1)
-
Rodessa Formation (3)
-
Travis Peak Formation (5)
-
Washita Group (2)
-
-
Lower Cretaceous
-
Albian (1)
-
Edwards Formation (1)
-
Fredericksburg Group (1)
-
Georgetown Formation (1)
-
Hosston Formation (1)
-
Paluxy Formation (1)
-
Rodessa Formation (3)
-
Travis Peak Formation (5)
-
-
Upper Cretaceous
-
Buda Limestone (1)
-
Campanian
-
lower Campanian (1)
-
-
Cenomanian (5)
-
Gulfian
-
Austin Chalk (2)
-
Austin Group (2)
-
Eagle Ford Formation (6)
-
Olmos Formation (1)
-
Taylor Marl (1)
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Woodbine Formation (8)
-
-
Turonian (2)
-
Tuscaloosa Formation (1)
-
-
-
Jurassic
-
Middle Jurassic (1)
-
Norphlet Formation (1)
-
Upper Jurassic
-
Bossier Formation (4)
-
Cotton Valley Group (7)
-
Haynesville Formation (2)
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Schuler Formation (2)
-
Smackover Formation (4)
-
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-
lower Mesozoic (1)
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metals
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alkaline earth metals
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strontium
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Sr-87/Sr-86 (1)
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Mexico (1)
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nitrogen (1)
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North America
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Gulf Coastal Plain (14)
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Western Interior
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Western Interior Seaway (1)
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-
-
oil and gas fields (10)
-
paleogeography (2)
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Paleozoic
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Carboniferous
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Pennsylvanian
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Upper Pennsylvanian
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Canyon Group (1)
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upper Paleozoic
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Arkansas Novaculite (1)
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petroleum
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plate tectonics (1)
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stratigraphy (5)
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structural geology (5)
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organic sulfur (1)
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S-34/S-32 (1)
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tectonics
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salt tectonics (6)
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tectonophysics (1)
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United States
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Alabama (1)
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Arkansas (1)
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Louisiana (6)
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Mississippi (1)
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Sabine Uplift (4)
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Texas
-
Anderson County Texas (1)
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Balcones fault zone (2)
-
Bell County Texas (1)
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Collin County Texas (1)
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Dallas County Texas
-
Dallas Texas (2)
-
-
Denton County Texas (1)
-
East Texas (8)
-
East Texas Basin (39)
-
East Texas Field (4)
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Ellis County Texas (1)
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Falls County Texas (1)
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Fannin County Texas (1)
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Freestone County Texas (1)
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Grayson County Texas (1)
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Gregg County Texas (1)
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Harrison County Texas (2)
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Houston County Texas (1)
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Leon County Texas (2)
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McLennan County Texas
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Waco Texas (2)
-
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Nacogdoches County Texas (1)
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Panola County Texas (2)
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Rusk County Texas (3)
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San Marcos Arch (3)
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Smith County Texas (1)
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Tarrant County Texas (1)
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Upshur County Texas (1)
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Val Verde Basin (1)
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waste disposal (1)
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well-logging (4)
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rock formations
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Louann Salt (5)
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sedimentary rocks
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oolite (1)
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sedimentary rocks
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carbonate rocks
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grainstone (3)
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limestone (1)
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packstone (1)
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-
chemically precipitated rocks
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evaporites
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salt (1)
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-
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clastic rocks
-
argillite (1)
-
black shale (1)
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conglomerate (1)
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mudstone (5)
-
sandstone (10)
-
shale (4)
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siltstone (1)
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siliciclastics (1)
-
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sedimentary structures
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sedimentary structures
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biogenic structures
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bioturbation (2)
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planar bedding structures
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cross-bedding (1)
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tracks (1)
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sediments
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oolite (1)
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sediments
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clastic sediments
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clay (1)
-
sand (1)
-
-
-
siliciclastics (1)
-
East Texas Basin
Depositional environment and source rock quality of the Woodbine and Eagle Ford Groups, southern East Texas (Brazos) Basin: An integrated geochemical, sequence stratigraphic, and petrographic approach
The Expression of the Cenomanian-Turonian Oceanic Anoxic Event 2 in the Gulf of Mexico: A Review
Abstract The Cenomanian-Turonian Oceanic Anoxic Event 2 (OAE2) is the last major OAE of the Mesozoic and probably the best studied. In marine rocks around the Gulf of Mexico it is associated with a variety of different environments, from well-oxygenated carbonate platforms to anoxic, organic-rich outer shelf environments and un-studied basinal muds. This paper reviews the current level of knowledge about the geographic distribution and stratigraphic expression of OAE2 in the Gulf of Mexico in order to synthesize this disparate data and attempt to draw some conclusions about regional oceanography during this critical interval of the Cretaceous. A large number of localities with varying local redox states have been tied to OAE2, including the Valles-San Luis Potosí and Guerrero-Morelos platforms in southern Mexico, deep shelf sites in northern Mexico, the well-studied outcrops and cores of west Texas on the Comanche platform, cores and wells along the Barremanian-Albian shelf margin of south Texas, geophysical data in the East Texas basin, cores in the Marine Tuscaloosa Formation of Louisiana, Alabama, and Mississippi, and deep wells in the deep water Gulf of Mexico. The distribution of anoxic sediments at these sites during OAE2 appears to be determined by water depth. Shallow sites, like the Mexican carbonate platforms and the Comanche platform of Texas, are oxygenated during the event. Deeper shelf sites, like the south Texas Rio Grande submarine plateau and the noncarbonate platform parts of the Mexican shelf, are anoxic and enriched in organic carbon; it seems likely that this trend continues across the rest of the Cretaceous Gulf shelf, although data is sparse. Whether this oxygen minimum zone only impacts the deeper parts of the shelf or extends all the way to the basin floor is the most significant outstanding question about OAE2 in the Gulf of Mexico.
Stratigraphy of Fredericksburg-Washita Division (Albian), Comanche-Cretaceous, Texas, Emphasizing Person and Georgetown Formations
Abstract A regional network of five interlocking stratigraphic cross-sections compiling the published work of many geologists throughout central and southwest Texas demonstrates the true stratigraphic relationships among formations of the Lower Cretaceous Fredericksburg and lower Washita subcycles. Strongly supported by a long-established ammonite zonation, these detailed stratigraphic cross-sections show lateral relations between Edwards Group formations (Kainer, Person, Fort Terrett, Segovia, Fort Lancaster, and Devils River) of the Central Texas Platform with equivalent formations of the East Texas Basin (Walnut, Comanche Peak, Goodland, Georgetown) and the Maverick Basin of South Texas (West Nueces, McKnight, Salmon Peak). These cross-sections document the following regional stratigraphic relationships: The Burt Ranch Member (basal Segovia Formation), the Regional Dense Member (basal Person Formation), and the Kiamichi Member (basal Georgetown Formation) are stratigraphic equivalents, all three being in the Adkinsites bravoensis Ammonite Zone (lowermost Washita) The peritidal Person Formation is the shelf-interior equivalent of the pelagic-shelf Georgetown Formation, except for its uppermost member, the Main Street, which forms the thin remnant Georgetown Formation on the distal Central Texas Platform. Thus the Person Formation is properly assigned to the lower Washita subcycle, not the Fredericksburg.
Insights into rates of fracture growth and sealing from a model for quartz cementation in fractured sandstones
Eaglebine play of the southwestern East Texas basin: Stratigraphic and depositional framework of the Upper Cretaceous (Cenomanian–Turonian) Woodbine and Eagle Ford Groups
Multidisciplinary approach in determining the best zone to land a Haynesville horizontal well
Petrophysical rock classification in the Cotton Valley tight-gas sandstone reservoir with a clustering pore-system orthogonality matrix
ABSTRACT Outcrops of Late Cretaceous Gulf Series strata (Woodbine, Eagle Ford, and Austin) in the Dallas area expose middle Cenomanian to the early Campanian (96 to ˜ 83 Ma) rocks, which are well known in the subsurface of the oil-rich East Texas Basin. Together with the underlying Comanche Series and overlying younger Gulf Series, this set of strata provides a record of the last 50 million years of the Cretaceous. Although both marine and terrestrial vertebrates are known in this interval, the Late Cretaceous record is primarily marine. On this field trip, sites are visited that have yielded sharks, bony fish, turtles, dinosaurs, crocodiles, pterosaurs, mammals, long- and short-necked plesiosaurs, and a classic record of mosasaur evolution.