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The AAPG/Datapages Combined Publications Database

Showing 22,487 Results. Searched 200,693 documents.

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ABSTRACT: Fractal and Spatial Analysis of Polygonal Fault Systems Case Study: Shallow Slope Section Offshore Angola West Africa; #90115 (2010)

Emmanuel E. Adiotomre, Emma Finch, Robert L. Gawthorpe, and Mads Huuse

Search and Discovery.com

... studies shows that they are usually layer bound in stratigraphic sequences containing them. Previous studies have investigated the control of mechanical...

2010

Log Response in a Pyrite-Cemented Sandstone Reservoir: A Case Study from Offshore North Western Australia

R. V. Halyburton, A. L. Locke

Southeast Asia Petroleum Exploration Society (SEAPEX)

...) crystals in patches of up to 4 mm in size suggesting replacement of ther components of the rock and in some cases, possible replacement of fossil...

1988

Formation and Distribution of Gas in the Berezovo Region

M. Ya. Rudkevich

Petroleum Geology: A Digest of Russian Literature

... Craspedites?, Caschpyrites?, Subcraspedites?, and Paracraspedites, which characterize the boundary layer of the Valanginian and upper Volga stage...

1959

Apatite Petrifactions in Pennsylvanian Shales of Illinois: NOTES

Harold J. Gluskoter, Louis H. Pierard, Hermann W. Pfefferkorn

Journal of Sedimentary Research (SEPM)

... with nodules and irregular masses of similar fluorapatite composition. The early replacement of wood by carbonate fluorapatite indicates the ready formation...

1970

Petrology and Origin of Phosphorites

G. Donald Emigh

Utah Geological Association

.... Darker layer at bottom represents the original bed which was later subjected to degradating action and then recovered. The darker patch of the original...

1967

Chemistry, Morphology, and Distribution of Illites from Morecambe Gas Field, Irish Sea, Offshore United Kingdom (1)

L. MACCHI , C. D. CURTIS , A. LEVISON , K. WOODWARD , and C. R. HUGHES

AAPG Bulletin

... and as a replacement of unstable framework grains, matrix clays, and neoformed kaolinite cement. Analytical transmission electron microscopy, used to define...

1990

Petrology of Carbonate Rocks of the Green River Formation (Eocene)

Charles R. Williamson, M. Dane Picard

Journal of Sedimentary Research (SEPM)

... and petrographic evidence indicates that it ormed as a selective replacement product of calcium carbonate mud during early diagenesis prior to lithification...

1974

Subsidence and Stretching: Tectonic Processes: Model Investigations of Margin Environmental and Tectonic Processes

Xavier Le Pichon, Jacques Angelier, Jean-Claude Sibuet

AAPG Special Volumes

... portions; the sedimentary thickness is too large to check whether such a large extension does indeed exist within the upper crustal layer. Le Pichon...

1982

Application of the Tidal Mudflat Model to the Sunniland Formation of South Florida

Hugh J. Mitchell-Tapping

GCAGS Transactions

... part of shoal. This part is the first layer of graded particles from large to small atop the shell hash. This first layer contains fecal pellets...

1987

Diagenetic Processes Along a Basin-Wide Marker Bed as a Function of Burial Depth

William Cavazza, Giorgio Gandolfi

Journal of Sedimentary Research (SEPM)

... minerals, mixed-layer illit /smectite is more abundant in the shallowest part of the basin and decreases progressively toward the deepest part...

1992

Update on the geophysical expression of the Abra sedimentary replacement Pb-Ag-Cu-Au deposit, Western Australia

David Stannard, Jayson Meyers, Ed Turner, Angelo Scopel

Petroleum Exploration Society of Australia (PESA)

...Update on the geophysical expression of the Abra sedimentary replacement Pb-Ag-Cu-Au deposit, Western Australia David Stannard, Jayson Meyers, Ed...

2019

Ouachita Chert Facies, Southeastern Oklahoma

Bruce H. Harlton

AAPG Bulletin

... in the groundmass. Stylolitic zone on one edge of the slide suggests that this is limestone replaced by silica. Preservation of this zone is due to a layer...

1953

Experimental development of chlorite: insights from a kaolinite precursor

Abdulwahab Muhammad Bello, Anas Muhammad Salisu, Abduljamiu Olalekan Amao, Mustapha Umar, Khalid Al-Ramadan

Journal of Sedimentary Research (SEPM)

... in Experiment 6 (250°C; Red Sea water). A, B) SEM images showing formation of mixed-layer chlorite–smectite through the replacement of saponite by chlorite...

2025

The Lower Permian Mount Bayley Formation, Canadian Arctic: An Example of a Deep Subaqueous Evaporite

Carol A. Wallace, Ronald J. Spencer, Charles M. Henderson, Benoit Beauchamp

CSPG Special Publications

... the interbedded carbonate into a wiggly pattern without disrupting continuity of the anhydrite layer. The bedded mosaic fabric (Fig. 5b) appears to result from more...

1994

A Petrographic Approach for Evaluating Trace-Element Mobility in a Black Shale

S.M. Lev, S.M. McLennan, W.J. Meyers, G.N. Hanson

Journal of Sedimentary Research (SEPM)

... for looking at diagenetic textures in a black shale. For example, replacement of calcium carbonate by carbonate fluorapatite may be visible as orange...

1998

The Influence of Rock Fabric and Mineralogy on Thermochemical Sulfate Reduction: Khuff Formation, Abu Dhabi

R.H. Worden , P.C. Smalley , M.M. Cross

Journal of Sedimentary Research (SEPM)

... the advanced state of anhydrite replacement by calcite. In order to predict TSR-related H2S concentration in hydrocarbon gases it is thus important...

2000

Abstract: Diagenesis of Mixed-Layer Clay Minerals in the South Timbalier Area, Gulf of Mexico

Matthew W. Totten, Mark Dixon, Mark Hanan

GCAGS Transactions

...Abstract: Diagenesis of Mixed-Layer Clay Minerals in the South Timbalier Area, Gulf of Mexico Matthew W. Totten, Mark Dixon, Mark Hanan 2006 819 819...

2006

Calcitized Tephra, Sedimentary Sills and Micro-vents, in Lower Ordovician Pelagic-type Limestone, Sweden

Maurits Lindstrom

Journal of Sedimentary Research (SEPM)

...), A lower Arenigian limestone bed contains the first Lower Ordovician tephra layer to be found in northern Europe outside of the Caledonian fold...

1979

Expectations from Uranium Exploration

John W. Gabelman

AAPG Bulletin

... postmagmatic fluid acting in a time and physico-chemical realm intermediate between the deuteric-reaction-replacement phase and the magmatic-hydrothermal...

1976

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