Microplankton Palynostratigraphy of the Savik Formation (Jurassic), Axel Heiberg and Ellesmere Islands

C. D. Johnson

CSPG Special Publications

.... This is also generally true of the dinoflagellate cysts and acritarchs. However, because these microfossils are abundant in nearly every sample...

On Dating of the Paleogene

M. Rubinstein , L. Gabunia

AAPG Special Volumes

... planktonic foraminiferal biostratigraphy, in P. Bronnimann and H. H. Renz, eds., lnt. Conf. Planktonic Microfossils, Geneva (1967), Proc., p. 199-421...

Petrology of Siliceous Rocks in the Mishash Formation (Negev, Israel)

Yehoshua Kolodny

Journal of Sedimentary Research (SEPM)

..., with an index of refraction varying between 1.458 and 1.462. Microfossils which are abundant in porcelanite are infilled by micro-quartz. Porcelanite shows...

EXTENDED ABSTRACT: The Maverick Basin: New Technology - New Success

Scott, Robert J.

GCAGS Transactions

... appear in the Eagleford, Del Rio, and Pearsall-Pine Island but even they are calcareous. The San Miguel, Olmos, and Escondido are the uppermost...

Heavy Mineral Assemblages in Some Tertiary Sediments in San Mateo County, California

Thomas T. Tieh

Journal of Sedimentary Research (SEPM)

... in a mudstone matrix. The chaotic structure was probably caused by submarine sliding. Page and Tabor reported that, on the basis of microfossils in mudstone...

Paleocene-Eocene Marine Transgression in the Upper Calvert Bluff Formation, Wilcox Group, Bastrop County, Texas

Thomas E. Yancey, Andrew Dunham, Kevin Durney

GCAGS Transactions

... and 2010. An horizon with common fossils, especially shark and ray teeth, remained open until the fall of 2010 when some good-quality calcareous fossils...

Recognition and Sedimentologic Description of Recent Debris Flow Deposits from the Ross and Weddell Seas, Antarctica

Dennis D. Kurtz, John B. Anderson

Journal of Sedimentary Research (SEPM)

... slope is in their microfossil content. Layered pebbly muds nearly always contain both benthonic and planktonic microfossils. Microfossil concentrations...

Saline Springs, Copper River Lowland, Alaska

Arthur Grantz , D. E. White , H. C. Whitehead , A. R. Tagg

AAPG Bulletin

... for calcareous sandstone or fragments of Inoceramus shells. Twinned crystals ½-1 mm long in the mud from the spring near Nickel Creek were determined by Beth M...

Iridium Concentration as an Estimator of Instantaneous Sediment Accumulation Rates

Peter Bruns , Wolf-Christian Dullo , William W. Hay , Christopher Ned Wold , Ernst Pernicka

Journal of Sedimentary Research (SEPM)

... by Barker and Anders (1968) and cited in our compilation. Preservation of calcareous microfossils in DSDP Site 597 is poor, and the age assignments differed...

Carboniferous Carbonate Depositional Models, Preliminary Lithofacies and Paleotectonic Maps, Arctic Alaska

Augustus K. Armstrong

AAPG Bulletin

...., Los Angeles, Proc., p. N1-N16. Armstrong, A. K., and B. L. Mamet, in press, Carboniferous microfacies, microfossils, and corals, Lisburne Group...

Bit-Generated Rock Textures and Their Effect on Evaluation of Lithology, Porosity, and Shows in Drill-Cutting Samples

William Graves

AAPG Bulletin

... and other microfossils embedded in claystones and shales. Macrotextured rocks: In conglomerates and breccias whose grains are harder than the cement...

CRETACEOUS ROCKS ON THE NORTH FLANK OF THE BLACK HILLS UPLIFT

W. A. COBBAN

Montana Geological Society

... is calcareous shale, calcareous mudstone, marl, and chalk marl, 12 percent is sandy or silty shale, and 4 percent is sandstone. Fossil studies reveal...

Pre-Intrusive Metasedimentary Rocks of the Salinian Block, California„A Paleotectonic Dilemma

Donald C. Ross

Pacific Section SEPM

... sandstone, with lesser amounts of shaly, marly, and calcareous rocks. One exception to these lithologies is a belt of metagraywacke (the schist of Sierra de...

Upper Jurassic and Lower Cretaceous Deep-Water Buildups, Abenaki Formation, Nova Scotia Shelf

Peter M. Ellis, Paul D. Crevello, Leslie S. Eliuk

Special Publications of SEPM

... of mud mound debris. extensive The sponge bioherm is formed of hydrozoans, calcareous and siliceous sponges, Tubiphytes, and benthic...

Basin Evolution and Hydrocarbon Geochemistry of the Lariang-Karama Basin: Implications for Petroleum System in Onshore West Sulawesi

Safto Raharjo, Rob Seago, Edi Wahyu Jatmiko, Ferry Bastaman Hakim, Lawrence D. Meckel

Indonesian Petroleum Association

... coral alga, pelecypod debris and microfossils. The upper part of the formation is mostly made up of mudstone and minor, thinly bedded, fine-grained...

Ostracode Biostratigraphy and Paleoecology of the Upper Taylor Group (Campanian, Upper Cretaceous) in Central Texas

Julius Baum Chimene II ,, Rosalie F. Maddocks

GCAGS Transactions

... of an argillaceous marl (Pecan Gap Formation) grading upward into a calcareous claystone (Bergstrom Formation), with no identifiable lithologic breaks in 142 m (466...

Slick-Wilcox Field, Dewitt and Goliad Counties, Texas

Louie Sebring, Jr.

AAPG Bulletin

... and fine sands containing abundant mica. There are no known index microfossils in this part of the Carrizo-Wilcox. The sample log for the Continental Oil...

Exploration and Development of Hydrocarbons from Low-Permeability Chalks--an Example from the Upper Cretaceous Niobrara Formation, Rocky Mountain Region

Richard M. Pollastro, Peter A. Scholle

AAPG Special Volumes

.... The carbonate constituents are mainly calcareous nannofossils (mainly golden-brown algae called coccoliths) with lesser amounts of calcareous microfossils...

Evidence of Unconformity at Top of Trenton Limestone in Indiana and Adjacent States

Lawrence F. Rooney

AAPG Bulletin

... that was recovered of the upper 20 feet of core was 5 feet of very light gray, non-calcareous, illitic claystone and siltstone and about 1½ feet...

Lithologies and environments of the Red River Formation

J.W.J. Hardy

Saskatchewan Geological Society

... brown, cryptocrystalline, dange, anhydritic.   Dolomite, light brown, microcrystalline, laminated, part reworked. S1 calcareous. Dolomite...

ABSTRACT: Some Observations on Lithologic Changes in the Heterostegina Zone

Charles W. Stuckey, Jr.

GCAGS Transactions

... sp. occurs at a depth near 3000 feet. The lithology in this instance is a calcareous sand. The fauna consists of large Eponides ellisorae, Amphistegina...

Bentonia Field: Yazoo County, Mississippi

David C. Davis, Ernest H. Lambert, Jr.

Mississippi Geological Society

..., very calcareous, slightly argillaceous, very fine grained, friable sand. Washita-Fredericksburg - Light gray, slightly silty and argillaceous, non...

Bioestratigrafia Del Mioceno Tardio - Pleistoceno Temprano Con Base En El Nanoplancton Calcareo Del Pozo Gabanudo-1 De La Cuenca De Macuspana. IN SPANISH. Biostratigraphy Of Late Miocene - Early Pleistocene Based On Calcareous Nannoplankton, Gabanudo-1 Well, Macuspana Basin.

Patricia Hernandez Bernal, Maria Antonieta Sanchez Rios

Boletín de la Asociación Mexicana de Geólogos Petroleros (AMGP)

.... IN SPANISH. Biostratigraphy Of Late Miocene - Early Pleistocene Based On Calcareous Nannoplankton, Gabanudo-1 Well, Macuspana Basin. Patricia Hernandez...

Abstract: Preliminary Calcareous Nannofossil Zonation of Brightseat and Aquia Formations (Paleocene) of Maryland and Virginia--Stratigraphic Implications, by Laurel M. Bybell, David L. Govoni; #90968 (1977).

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Catahoula-Fleming Contact, Vernon Parish, Louisiana: GEOLOGICAL NOTES

Fred M. Haase

AAPG Bulletin

... of calcareous material as the principal determining criterion. Non-calcareous clays were mapped as Catahoula; calcareous clays, in places also bearing many small...