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The AAPG/Datapages Combined Publications Database

Showing 18,438 Results. Searched 200,635 documents.

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Cretaceous Rocks Along Part of Southeast Boundary of Glacier National Park, Montana: GEOLOGICAL NOTES

W. A. Cobban

AAPG Bulletin

... calcareous shale exposed in the road cut is the equivalent of the Greenhorn limestone of the central Great Plains. The layer of white bentonite lies near...

1956

Late Paleozoic Foraminifera as Depth Indicators: ABSTRACT

Charles A. Ross

AAPG Bulletin

...------------------------------ common in dark gray shales, siltstones, fine to very fine sandstones, and silty, calcareous mudstones deposited in basinal...

1983

ABSTRACT: Lithofacies Characterization and Sequence Stratigraphic Framework of Some Gas-bearing Shales within the Horn River Basin, Northeastern British Columbia; #90133 (2011)

Katie Hulsey and Roger M. Slatt

Search and Discovery.com

... within the Horn River shales has revealed the following. The Evie Shale is a medium grey, organic rich, calcareous, siliceous shale; the Otter Park...

2011

Abstract: Paleoenvironments of the Mississippian Heath Formation (Big Snowy Trough, central Montana) and their Relevance to Understanding late Paleozoic Paleoenvironmental Change and Low-Accommodation, Unconventional Petroleum Systems; #90301 (2017)

Justin P. Ahern, Christopher R. Fielding

Search and Discovery.com

... mudstone, fossiliferous calcareous siltstone with irregularly dispersed fine sandstone, wackestone, and packstone, calcareous siltstone with plant...

2017

Abstract: Acoustic Emission Characteristics of Calcareous Source Rocks in Compression Tests; #90319 (2018)

Syed S. Ali, Arqam Muqtadir, Ali A. Al Dhamen, Guodong Jin, Rizwanullah Husseini, Zahra Aleid, Asok Nair, Elham Alshanqaiti

Search and Discovery.com

...Abstract: Acoustic Emission Characteristics of Calcareous Source Rocks in Compression Tests; #90319 (2018) Syed S. Ali, Arqam Muqtadir, Ali A. Al...

2018

Abstract: Automated Carbonate and Siliciclastic Core Lithotypes Classification with Convolutional Neural Networks; #91209 (2025)

Evgeny E. Baraboshkin, Evdokiya A. Panchenko, Andrey E. Demidov, Ardiansyah Koeshidayatullah, Denis M. Orlov, Dmitry A. Koroteev

Search and Discovery.com

... contains 3923 limestones, 1142 dolomite and 2891 sandstones, 2000 siltstones, 4414 argillaceous and 981 calcareous shale 10x10cm full-bore image samples...

2025

Cretaceous and Tertiary Stratigraphy, Banks and Eglinton Islands and Anderson Plain (N.W.T.)

B. P. Plauchut, G. G. Jutard

CSPG Bulletin

... weathering calcareous siltstone with pelecypod fragments and sandstone nodules cemented by marcasite also occur in this unit. The upper unit, 120 m. (395...

1976

Diagenesis of Oceanic Carbonate Sediments: A Review of the Dsdp Perspective

Robert E. Garrison

Special Publications of SEPM

... microfossils, allowing us t o calculate rates of processes a n d t o backtrack t o paleooceanographic a n d palevgeothermal conditions which previously...

1981

Paleogene Correlations, Santa Barbara Area, California: An Alternative View

Gordon R. Hornaday, F. Jay Phillips

Pacific Section SEPM

... Member of the Anita and its calcareous shale equivalents. Mudstones and siltstones of somewhat deeper-water origin were deposited throughout...

1972

Formation of Lobster-Bearing Concretions in the Late Cretaceous Bearpaw Shale, Montana, United States, in a Complex Geochemical Environment

Rodney M. Feldmann, Adina Franţescu, Ovidiu D. Franţescu, Adiël A. Klompmaker, Greg Logan, Jr., Cristina M. Robins, Carrie E. Schweitzer, David A. Waugh

PALAIOS

... sizes and shapes (Tsujita, 1995). Mollusk-rich, calcareous concretions from the Bearpaw Shale in southern Alberta were studied by Tsujita (1995) who...

2012

Early Cenozoic Stratigraphy, Tectonics and Sedimentation of the Central Diablo Range between Hollister and New Idria

Tor H. Nilsen

Pacific Section SEPM

... Pinos. Microfossils from shale interbedded in its upper part indicate a Narizian (middle Eocene) age; the lower part may include strata of Penutian...

1981

FOSSILS OF PUTATIVE MARINE ALGAE FROM THE CRYOGENIAN GLACIAL INTERLUDE OF MONGOLIA

PHOEBE A. COHEN, FRANCIS A. MACDONALD, SARA PRUSS, EMILY MATYS, TANJA BOSAK

PALAIOS

... of the W surfaces indicates that these structures are likely primary, and not compressed or folded material. Studies of Proterozoic microfossils...

2015

The Devonian Rocks of Antarctica

M. A. Bradshaw, G. F. Webers

CSPG Special Publications

... by a barrier beach. The low 13C values for calcareous concretions within the siltstone are not regarded as suprising in a lagoon setting of varying...

1988

Radiolarian biostratigraphy of Malaysia

Basir Jasin

Geological Society of Malaysia (GSM)

... material. Absence of limestone in the chert sequence suggests the chert was deposited below the calcite compensation depth where the calcareous material...

2018

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