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The AAPG/Datapages Combined Publications Database
Showing 18,431 Results. Searched 200,599 documents.
AAPG Memoir 75, Chapter 17: The Cretaceous-Paleocene Boundary in the Subsurface Campeche Shelf, Southern Gulf of Mexico
Abelardo Cant-Chapa and Romn Landeros-Flores
AAPG Special Volumes
... with gamma-ray well logs. The Campanian-Maestrichtian Cantarell Formation is herein formally described as a breccia formed of calcareous or dolomitized...
2001
Significance of Paleontologic Results of Deep-Sea Drilling Project Legs 1-9
William W. Hay
AAPG Bulletin
... Foraminifera. In the past few years, the calcareous nannoplankton also have been used to establish zonations for Jurassic to Holocene strata, and a radiolarian...
1973
Upper Cretaceous Calcareous Nannoplankton Zonation and Stage Boundaries
Charles C. Smith
GCAGS Transactions
... the generalized stratigraphic section, Cepek and Hay calcareous nannoplankton zonation, ranges of a few of the more significant microfossils and megafossils...
1975
Niobrara-Pierre Boundary Along Front Range, Colorado
L. W. LeRoy , N. C. Schieltz
AAPG Bulletin
... calcareous, pelagic forms as contrasted to a limited arenaceous fauna of the Sharon Springs. X-ray diffraction analyses of the Sharon Springs and Smoky...
1958
Correlation Across a Classic Facies Change (Late Middle Through Late Cenomanian, Northwestern Black Hills): Applied Supplemented Graphic Correlation
Cynthia G. Fisher
Special Publications of SEPM
... Montana. Across a 46.75-km areal extent, calcareous rocks of the Greenhorn Formation change to non-calcareous rocks of the Belle Fourche Shale...
1995
Continental Margin Reef Tract of Early Ordovician Age, Broken Skull Formation, Mackenzie Mountains, Northwest Canada
Brian R. Pratt
CSPG Special Publications
... of Sedimentary Petrology, v. 52, p. 1203-1227. Pratt, B.R. 1984. Epiphyton and Renalcis—diagenetic microfossils from calcification of coccoid blue-green algae...
1988
The Analysis of the Clay Content of some Glauconitic Oceanic Sediments: NOTES
D. P. Seed
Journal of Sedimentary Research (SEPM)
... foraminiferal, other common microfossils being sponge spicules and echinoid spines. Glauconitic content of sediments 1. In some sediments large brownish...
1968
Late Cretaceous Faunal Zones, Western Colorado
Philip J. Katich Jr.
Rocky Mountain Association of Geologists
... to good illustrations. The general types of microfossils occurring in the Upper Cretaceous of the area, and their usefulness in correlation will also...
1959
Assessment of Organic Petrology Methodology and Characterization of Primary and Secondary Dispersed Organic Matter in Liquid-Rich Shales: Using optical microscopy methodologies, #80367 (2014)
L. D. Stasiuk, Amr El-Ezhary, Michelle Asgar-Deen, Volker Dieckmann, Rob Robinson, Gary Green
Search and Discovery.com
..., unicellular alginites; M, V, H - Michystridium, Verachium, Hystricosphaeridium acritarchs; RS - radiolarian-like siliceous microfossils; Calcareous...
2014
Assessment of Organic Petrology Methodology and Characterization of Primary and Secondary Dispersed Organic Matter in Liquid-Rich Shales: Using optical microscopy methodologies, #80367 (2014)
L. D. Stasiuk, Amr El-Ezhary, Michelle Asgar-Deen, Volker Dieckmann, Rob Robinson, Gary Green
Search and Discovery.com
..., unicellular alginites; M, V, H - Michystridium, Verachium, Hystricosphaeridium acritarchs; RS - radiolarian-like siliceous microfossils; Calcareous...
2014
Dinoflagellates in Late Quaternary Deep-Water Sediments of Black Sea: Biology
David Wall, Barrie Dale
AAPG Special Volumes
... of calcareous dinoflagellates, diatoms, and other acid-soluble microfossils, a suite of samples from one core (1451F) was prepared by omitting the use of acids...
1974
Euxinic Early Permian Sedimentation in the Cassia Basin of Southern Idaho
William A. Morgan
Rocky Mountain Section (SEPM)
... into the area throughout Wahlstrom Hollow sedimentation, culminated with the deposition of approximately 514 m (1,686 ft) of dominantly calcareous, siliciclastic...
1980
Epiphyton and Renalcis--Diagenetic Microfossils from Calcification of Coccoid Blue-Green Algae
Brian R. Pratt
Journal of Sedimentary Research (SEPM)
.... These calcareous microfossils mainly entrusted larger framebuilders but sometimes constructed rigid frameworks by themselves. They are morphologically...
1984
Barnett Shale—Unfolded: Sedimentology, Sequence Stratigraphy, and Regional Mapping
Prerna Singh, Roger Slatt, and William Coffey
GCAGS Transactions
..., chemical, and biological characters: (1) siliceous non-calcareous mudstone, (2) siliceous calcareous mudstone, (3) micritic/ limy mudstone, (4...
2008
A Micropaleontological Disintegration Method1
T. Potter Chamney
CSPG Bulletin
... to the study of well samples. For any such study, however, it is necessary that the microfossils can be separated from the rock matrix and that they may...
1957
The Stratigraphy of the Taraises Formation, Lower Cretaceous, Mexico
W. H. Blauser
West Texas Geological Society
... (Humphrey and Díaz, 1956). Blauser and McNulty (1980) have suggested an age for the Taraises Formation based on microfossils. Based on the calpionellids...
1981
Depositional Setting and Characterization of the Deep-Basin Oak Hill Lignite Deposit (Middle Paleocene) of Southwest Alabama
Ernest A. Mancini
GCAGS Transactions
.... The Matthews Landing consists of about 5 feet of green, calcareous, fossiliferous, glauconitic, fine- to medium-grained, bioturbated sand...
1983
Recovery of Siliceous Microfossils by the Disaggregation of Dolomite
C. W. Lagle
Pacific Section SEPM
... or siliceous-calcareous rocks in which biostratigraphically useful microfossils (principally diatoms and foraminifera) have been largely destroyed. Burial...
1984
Reservoir Characterization of Unconventional Gas Shale Reservoirs: Example from the Barnett Shale, Texas, U.S.A.
Prerna Singh, Roger Slatt, Gabriel Borges, Roderick Perez, Romina Portas, Kurt Marfurt, Michael Ammerman, William Coffey
Oklahoma City Geological Society
... for the most part under low energy conditions viz. siliceous non-calcareous mudstone, siliceous calcareous mudstone and micritic/ limy mudstone. The next...
2009
Stratigraphy, Sedimentology and Palynology of the Calcareous Member, Blairmore Group, Alberta
I. Banerjee, E. H. Davies
CSPG Special Publications
...Stratigraphy, Sedimentology and Palynology of the Calcareous Member, Blairmore Group, Alberta I. Banerjee, E. H. Davies 1994 312 312...
1994
EXTENDED ABSTRACT: Ortonella (calcareous algae) as an environmental indicator in the Midale Beds of southeastern Saskatchewan
J. Lake
CSPG Special Publications
...EXTENDED ABSTRACT: Ortonella (calcareous algae) as an environmental indicator in the Midale Beds of southeastern Saskatchewan J. Lake 1998 515 518...
1998
Detailed Biostratigraphy and Paleoenvironmental Interpretation of the Naples Bluff Section
Gregg H. Blake
Pacific Section of AAPG
... and paleoecologic study of the Naples Bluff coastal section was completed utilizing diatoms, calcareous nannoplankton, and benthic foraminifera...
1994
Stratigraphy and Depositional Environments of Baltimore Canyon Trough
C. Wylie Poag
AAPG Bulletin
...). Microfossils in this section are largely diatoms; radiolarians are also common, but calcareous nannoplankton Fig. 6. Schematic stratigraphic...
1979
Facies Changes in the Hatchetigbee Formation in Alabama-Georgia and the Wilcox-Claiborne Group Unconformity
Thomas G. Gibson , Laurel M. Bybell
GCAGS Transactions
... Alabama, the Bashi Member in the study area is a downdip equivalent of the entire updip Hatchetigbee Formation. Calcareous nannofossils and planktonic...
1981
Stable-Isotopic Composition of a Late Eocene Archaeocete Whale, Basilosaurus cetoides, from Wayne County, Mississippi
Edwin W. Emmer, Dean A. Dunn
GCAGS Transactions
... routinely made using calcareous microfossils, this specimen represents one of the few isotopic measurements of a homeothermic animal. Stable-isotopic analysis...
1996