Quaternary Geology of the Gulf of Mexico

Maurice Ewing

Journal of Sedimentary Research (SEPM)

... the Sigsbee abyssal plain. Throughout the basin the top layer of sediment is soft brown globigerina ooze, 25 to 40 cm thick, which is interrupted...

Exploring the Continental Crust of Western United States: ABSTRACT

J. P. Eaton, L. C. Pakiser, W. H. Jackson, S. W. Stewart, D. J. Stuart

AAPG Bulletin

..., Department of Defense. Initial interpretation of results along a line from Fallon to Eureka, Nevada, defines an intermediate crustal layer at a depth...

Clay Minerals in Arctic Ocean Sea-Floor Sediments: ABSTRACT

Dorothy Carroll

AAPG Bulletin

... size and amounts to about 3 percent of the sediments. The clay minerals present are mica (both muscovite and biotite), mixed-layer mica and organic...

Evolution of Northern Gulf Coast Deducted from Geophysical Data: ABSTRACT

J. L. Worzel, J. S. Watkins

AAPG Bulletin

... of a thick sequence of sedimentary rocks locally ranging up to 17 km thick. Beneath the sedimentary sequence a layer with velocities ranging from 5.2 to 6.0...

Analysis of Amplitude Versus Offset to Detect Gas/Oil Contacts in Arabian Gulf: ABSTRACT

Edward F. Chiburis

AAPG Bulletin

... to be abnormally low (usually < 0.1-0.2), whereas for oil and water the ratios are usually much greater than 0.3. If the overlying layer has an impedance...

Abstract: Modeling of Seismic Signatures of Carbonate Rock Types, by B. Jan and Y. Sun, #90188 (2014)

Search and Discovery.com

Abstract: Multi-layer Tomography in Major Fault System – An Onshore Sultanate of Oman Case Study, by K. Mansoor, O. Hermant, H. Baudon, S. Warzocha, and M. Van De Rijzen, #90188 (2014)

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The Role of Surficial Bioturbation in the Latest Ediacaran: A Quantitative Analysis of Trace Fossil Intensity in the Terminal Ediacaran-Lower Cambrian of California

Gretchen R. O'Neil, Lydia S. Tackett, Michael B. Meyer

PALAIOS

... Ediacaran (Darroch et al. 2015, 2018, 2021; Cribb et al. 2019), suggested to be the result of a gradual biotic replacement during the Ediacaran...

Chemical History of the Oceans Deduced from Post Depositional Changes in Sedimentary Rocks

Robert M. Garrels, Fred T. Mackenzie

Special Publications of SEPM

... to bc similar to well documented short term post depositional changes in Gulf Coast shales undergoing burial diagenesis Mixed layer clays...

Fluid-Release Mechanisms in Compacting Marine Mudrocks and Their Importance in Oil Exploration

Maurice C. Powers

AAPG Bulletin

... No. 1: Alteration of clays after deep burial: The alteration of expanding clays to illite and mixed-layer clays in marine sediments, and the associated...

Petrologic Character of a Morrowan Sandstone Reservoir, Lexington Field, Clark County, Kansas

Martin Emery, Peter G. Sutterlin

Rocky Mountain Association of Geologists

...), kaolinite, illite, and mixed layer illitelsmectite. The sandstone ranges from fine to coarsegrained and is well to poorly sorted. The Morrowan...

Sandstone Diagenesis, Reservoir Potential, and Sequence Stratigraphy of the Eocene Tyee Basin, Oregon

In-Chang Ryu , Alan R. Niem

Journal of Sedimentary Research (SEPM)

... minerals, consisting of early-formed zeolites and late-stage quartz as well as a change in the abundance of smectite to mixed-layer chlorite/smectite...

Impact of Parent Well Depletion on Stress Changes and Infill Well Completion in Multiple Layers in Permian Basin

Anusarn Sangnimnuan, Jiawei Li, Kan Wu, Stephen A. Holditch

Unconventional Resources Technology Conference (URTEC)

...) and a case where two parents are located in the same layer (Wolfcamp A2 and B2). Stress redistribution is then observed to determine the completion...

Clay Coats: Occurrence and Relevance to Preservation of Porosity in Sandstones

Edward D. Pittman, Richard E. Larese, Milton T. Heald

Special Publications of SEPM

... nucleation the involving INTRODUCTION precipitation of quartz and overgrowths clay coats may be smectite mixed layer Mineralogically clay...

Depositional Environment and Mineralogy of the Upper Cretaceous Teapot Sandstone, Well Draw Field, Powder River Basin, Wyoming

Steven P. Conner, John J. Sullivan, Thomas T. Tieh

Rocky Mountain Association of Geologists

...-lining mixed layer illitelsmectite; and 4) massive, poorly crystalline, pore-bridging, high-iron chlorite. Pore-lining and pore-bridging clays greatly...

Tertiary Lacustrine Sediments from Sentinel Butte, North Dakota and the Sedimentary Record of Ectogenic Meromixis

Bruce W. Boyer

Journal of Sedimentary Research (SEPM)

... basal layer, the broken, wavy (algal?) laminae near middle of bed, the flattened pellets and intraclasts in the upper half, and the parallel...

Albitization of Detrital Plagioclase in Triassic Reservoir Sandstones from the Snorre Field, Norwegian North Sea

Sadoon Morad, Morten Bergan, Ragnar Knarud, Johan Petter Nystuen

Journal of Sedimentary Research (SEPM)

... mineral content in the sandstones. Clay minerals of detrital origin include smectite, mixed-layer clay minerals, chlorite and subordinate amounts...

Identification and Diagenesis of a Phylloid Alga: Archaeolithophyllum from the Pennsylvanian Providence Limestone, Western Kentucky

Stephen O. Moshier , Brenda L. Kirkland

Journal of Sedimentary Research (SEPM)

... or complete dissolution of the original skeletal material or (b) neomorphic replacement of the skeletal material in a manner that largely obliterates...

The Permian System in the U.S.S.R.

D. L. Stepanov

CSPG Special Publications

.... In the Pechora Coal Basin this time period is marked by the replacement of the Vorkuta type of flora by the flora of the Pechora type, which characterizes...

Mixed Terrigenous-Carbonate Rocks in Jurassic Arapien Shale of Central Utah

M. Dane Picard, Kadir Uygur

Utah Geological Association

...) recrystallization of micrite to microspar and spar; (5) pore-filling by sparry calcite; (6) calcite replacement of quartz and other detrital grains; (7) clay...

The Petrology of the Limestones in the Upper Gros Ventre and Gallatin Limestone Formations (Middle and Upper Cambrian), Northwestern Wind River Basin, Wyoming

W. D. Martin, H. J. Fischer, R. J. Keogh, K. Moore

Wyoming Geological Association

... and pseudospar). Dolomite occurs as a replacement mineral in most beds. Trilobite, brachiopod, and echinoderm fragments, algal rods, ooids, peloids...

Depositional Environment of the Middle Devonian Telegraph Salts, Alberta, Canada

Leslie A. Brodylo, Ronald J. Spencer

CSPG Bulletin

... them. Anhydrite also occurs as a pseudomorphous replacement of single euhedral gypsum laths (0.05 to 0.2 mm) found throughout both the clear...

Crystal Textures of Recent Fluvial Pisolites and Laminated Crystalline Crusts in Dyfed, South Wales

C. J. R. Braithwaite

Journal of Sedimentary Research (SEPM)

..., Radiaxial fibrous calcite; a replacement after acicular carbonate: Sedimentology, v. 20, p. 365-389. MCGANNON, D. E., 1975, Primary fluvial oolites...

Ordovician Aleman Ribbon Cherts: An Example of Silicification Prior to Carbonate Lithification

Jill H. Geeslin, Henry S. Chafetz

Journal of Sedimentary Research (SEPM)

... Through Ctenophora: New York, McGraw-Hill, 728 p. JACKA, A. D., 1974, Replacement of fossils by length-slow chalcedony and associated dolomitization...

Mineralogical Control on Porosity Type in Upper Jurassic Smackover Ooid Grainstones, Southern Arkansas and Northern Louisiana

Krystyna Swirydczuk

Journal of Sedimentary Research (SEPM)

...., 1964, The replacement of aragonite by calcite in the molluscan shell wall, in Imbrie, J., and Newell, N. D., eds., Approaches to Paleoecology: New York...