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The AAPG/Datapages Combined Publications Database
Showing 18,438 Results. Searched 200,641 documents.
Stratigraphic and Sedimentologic Relations Among Three Frontier-Turner Depocenters in Wyoming Portion of Powder River Basin: ABSTRACT
Robert L. Brenner
AAPG Bulletin
... is somewhat younger than the First Frontier. An isopach map of the lower, calcareous part of the overlying Niobrara Formation shows that calcareous shales...
1979
Recent Arctic Foraminifera: an Overview: ABSTRACT
Martin B. Lagoe
AAPG Bulletin
... by dominantly calcareous assemblages. These regional differences are basically variations in species abundance and dominance. Slope biofacies...
1980
Mudstones as Exploration Guides to Tabular Sandstone-Type Uranium Deposits in Salt Wash Member, Morrison Formation (Upper Jurassic), Henry Basin, Utah: ABSTRACT
Fred Peterson, R. H. Tschudy, S. D. Van Loenen
AAPG Bulletin
... carbonaceous material, and structureless blebs of organic matter. These mudstones lack swelling clays, are moderately to highly calcareous...
1980
Upper Cretaceous Stratigraphy and Tectonic History of Ridgway Area, Northern San Juan Mountains, Colorado: ABSTRACT
Paul C. Weimer
AAPG Bulletin
... of calcareous siltstone and black shale. The succeeding Sage Breaks is a 155-ft (47 m) calcareous shale unit. The overlying Niobrara Formation is an 85-ft...
1981
Terrestrial Influence and Bioturbation Effects on Composition of Organic Matter in Middle Cretaceous Shale and Limestone Sequence near Pueblo, Colorado: ABSTRACT
Lisa M. Pratt
AAPG Bulletin
..., and lower kerogen ^dgr13C values (from -27 to -28 ppt) than the Bridgecreek calcareous shales (organic carbon contents 1.8 to 5.4% and ^dgr13C values from...
1981
Facies Changes in Hatchetigbee Formation in Alabama-Georgia and the Wilcox-Claiborne Group Unconformity: ABSTRACT
Thomas G. Gibson, Laurel M. Bybell
AAPG Bulletin
.... Calcareous nannofossils and planktonic foraminifers place both the transgressive and regressive events represented by the Hatchetigbee Formation entirely...
1981
Depositional Environments and Processes of Calico Bluff Formation (Carboniferous), East-Central Alaska: ABSTRACT
Michael G. Moore
AAPG Bulletin
..., (4) calcareous shale, and (5) siliceous shale. Shallow-water fauna in the bioclastic limestones contrast with deep-water goniatites, straight...
1982
Cenozoic Calcareous Nannofossils from Klamath, Southern Oregon: ABSTRACT
Thomas R. Worsley, Vivian J. Kupka
AAPG Bulletin
...Cenozoic Calcareous Nannofossils from Klamath, Southern Oregon: ABSTRACT Thomas R. Worsley, Vivian J. Kupka 1982 644 644 66 5. (May) All four...
1982
Mixed Carbonate and Clastic Sedimentation: North Insular Shelf of Puerto Rico: ABSTRACT
Orrin H. Pilkey, Rafael W. Rodriguez
AAPG Bulletin
... deposited carbonate sediment exhibit strong differences in physical condition. The clastic calcareous fraction is fresh in appearance, highly angular...
1983
Small-Scale Basin-Slope Carbonate Cycles in Trenton Limestones (Middle Ordovician), Southern Ontario: ABSTRACT
M. E. Brookfield
AAPG Bulletin
... then are overlain by micrite and calcareous shales. Calcareous shales occur interbedded throughout the cycle. This cycle is interpreted as having been...
1983
Calcareous Nannofossil Paleobiogeography of the Cretaceous Greenhorn Sea: ABSTRACT
David K. Watkins
AAPG Bulletin
...Calcareous Nannofossil Paleobiogeography of the Cretaceous Greenhorn Sea: ABSTRACT David K. Watkins 1984 538 538 68 4. (April) Two distinctive...
1984
Oriskany Sandstone Lithofacies, Paleoenvironment, and Fracture Porosity in Somerset County, Pennsylvania: ABSTRACT
R. A. Welsh, Jr.
AAPG Bulletin
..., the Oriskany is typically a calcareous quartzarenite with few discernible lithologic variations. Petrographic examination of two drill cores of the Oriskany...
1984
Stratigraphy of Eagle Ford Group (Upper Cretaceous) in East Texas Basin: ABSTRACT
Milton A. Surles, Jr.
AAPG Bulletin
... Ford includes the Tarrant, 15-20 ft of brownish-gray calcareous sandstone, the Britton, 250-300 ft of interbedded brown calcareous mudstone...
1985
Deadwood Formation and Winnipeg Group Stratigraphy of Williston Basin: ABSTRACT
Clarence G. Carlson, Stephan C. Thompson
AAPG Bulletin
... Island sandstone in Canada. The Roughlock Sandstone consists of greenish-gray calcareous shale grading upward into interbedded calcareous shale...
1985
ABSTRACT: Facies Distribution and Genetic Relationships of Cimarrona Formation, Guaduas Area, Colombia; #90007 (2002)
Juan Carlos Alzate Diaz
Search and Discovery.com
... in this field is composed by fractured sandy limestone and calcareous sandstone, interbedded with calcareous shale and siltstones in a low pressure reservoir...
2002
ABSTRACT: Calcareous nannofossils from Upper Mesozoic of Mountain Crimea; #90109 (2010)
A. Matveyev
Search and Discovery.com
...ABSTRACT: Calcareous nannofossils from Upper Mesozoic of Mountain Crimea; #90109 (2010) A. Matveyev Calcareous nannofossils from Upper Mesozoic...
2010
ABSTRACT: An Integrated Study of the Calcareous Nannofossil Response to Short-Term Paleoceanographic Changes Recorded in the Upper Jurassic Haynesville Formation of East Texas and North Louisiana, USA; #90132 (2011)
Aisha Ejura Agbali
Search and Discovery.com
...ABSTRACT: An Integrated Study of the Calcareous Nannofossil Response to Short-Term Paleoceanographic Changes Recorded in the Upper Jurassic...
2011
Abstract: CRUSTAL SHORTENING AND ROTATIONS IN SULAIMAN RANGE: STRUCTURAL AND PALEOMAGNETIC STUDY OF MUSLIM BAGH-KILA SAIFULLAH AREA; #90143 (2012)
Mirza Naseer Ahmad, Mohammed Yousaf Warriach, and Jiro Hirayama
Search and Discovery.com
... of collision with Eurasia. The study area is divided into three geologic terrains, from north to south: Flysch Zone, Ophiolite Zone and Calcareous Zone...
2012
Abstracts: Lithofacies Characterization and Sequence Stratigraphic Framework of Some Gas-bearing Shales within the Horn River Basin and Cordova Embayment; #90173 (2015)
Katie Hulsey
Search and Discovery.com
..., organic rich, calcareous, siliceous shale; the Otter Park shale is a dark grey, calcareous to non-calcareous, siliceous shale; and the Muskwa shale...
2015
Abstract: Integrated High-Resolution Chemostratigraphy and Sedimentological Analysis of Meramec/Sycamore Unconventional Reservoir in the Merge Area; #90309 (2017)
David Duarte, Roger Slatt
Search and Discovery.com
... to calcareous mudstones in central Oklahoma lead us to uncertainty in the geological limitation of the STACK and SCOOP plays, two of the more active...
2017
Wolfberry Play, Midland Basin, West Texas, #10419 (2012)
H. Scott Hamlin, Robert W. Baumgardner
Search and Discovery.com
... platforms. Basin-floor stratigraphy comprises alternating layers of calcareous and siliciclastic lithofacies having widespread lateral continuities...
2012
Geological Characterization of a Late Jurassic Carbonate Mudstone, Saudi Arabia: Sedimentology, Geochemistry, And Geomechanics; #51649 (2020)
John D. Humphrey, Septriandi Chan, Muhammad Usman, Baqer Albensaad, Yaser Alzayer
Search and Discovery.com
... deposition/modification. Organic-rich facies of calcareous and mixed-calcareous mudstones with low bioturbation indices, high-redox sensitive elements...
2020
Chapter 15: Last Glacial Maximum Depositional Sequence, Po River Plain, Italy—Ultra-High Resolution Sequence Stratigraphy of a Cenozoic Coastal-Plain-to-Shallow-Marine Foreland Basin
B. Campo, A. Morelli, A. Amorosi, L. Bruno, D. Scarponi, V. Rossi, K. M. Bohacs, T. Drexler
AAPG Special Volumes
.... A robust database of closely spaced core holes and wells is available. Macro-, meio-, and microfossils have living forms (or cousins) whose...
2022
Upper Mississippian and Lower Pennsylvanian Formations of South-Central Oklahoma
Maxim K. Elias
AAPG Special Volumes
... calcareous shale, with a very few small concretions, and generally with irregular cleavage along bedding planes. The Delaware Creek is gray, softer...
1956
3D Modelling of Miocene Cinambo Turbidite Sandstone Based on Surface Data in Cadasngampar Area, Sumedang District, West Java
Ahmad Syahri Fadhli Haqqi, Hengky Pratama, Ade Prima Indra, Abbas, Vinsen Arnoldy
Indonesian Petroleum Association
... and 3D correlation models. LITHOLOGY AND PETROGRAPHY Two geological units were studied―calcareous mudstone and calcareous sandstone. Calcareous...
2015