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The AAPG/Datapages Combined Publications Database

Showing 95 Results. Searched 189,136 documents.

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South Arkansas Stratigraphy with Emphasis on the Older Coastal Plain Beds

Warren B. Weeks

AAPG Bulletin

... are lenticular, feathering in and out through the section. North and east across Union County, the upper lenses of sand pinch out in short distances giving way...


AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... are commonly superimposed with other effects such as dip or cable feathering that makes the analysis even more difficult. Velocity anisotropy that is related...


Structure and Accumulation in the Michigan "Basin" and Its Relation to the Cincinnati Arch: Part IV. Relations of Petroleum Accumulation to Structure

R. B. Newcombe

AAPG Special Volumes

... is the feathering out of local lower Michigan series sandstone lenses as they are replaced by higher members in the westward transgression of the sea which deposited...


Frontmatter & Appendices - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)

Thomas C. Chidsey Jr.

Utah Geological Survey

..., finally feathering out westward toward Muddy Canyon in the “Molen Amphitheater.” The Clawson and overlying Washboard units of the Ferron together...


Chapter 2: Previous Studies - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)

Thomas A. Ryer, David E. Tabet, Thomas C. Chidsey Jr.

Utah Geological Survey

... lenticular bodies are common. The Upper Ferron is about 500 feet (150 m) in thickness south of Emery, feathering out into marine shale northeastward along...


Chapter 4: Regional Stratigraphy of the Ferron Sandstone - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)

T.A. Ryer, P.B. Anderson

Utah Geological Survey

... unusual characteristic of this unit is its seaward pinchout. The unit downlaps onto the underlying parasequence set boundary instead of feathering out...


Land, Marine and Transition Zone Seismic Operations in PPL 123, Papua New Guinea

Alan G. Fenwick, Robert J. Paul

Papua New Guinea (PNG) Petroleum Convention Proceedings

.... Streamer feathering angle occasionally exceeded the ten degree tolerance, usually where cross currents were encountered. This was minimized...


The Lower Cretaceous Mannville Group, Northern Williston Basin Region, Canada

J. E. Christopher

CSPG Special Publications

... sandstones, lagoonal mudstones and thin coals. The Clearwater facies grades eastward near Manitoba into c) kaolinitic, quartzose sandstones feathering...


Fractured Reservoirs of Middle East

E. J. Daniel

AAPG Bulletin

... at an angle of about 20°: these appear to be some sort of "feathering" breaks. There are also a very few low-angle joints (seemingly bedding planes) along...


Wave-Formed, Coarse-Grained Ripples and their Relationship to Hummocky Cross-Stratification

Dale Leckie

Journal of Sedimentary Research (SEPM)

... bundled foresets forming a chevron structure (Fig. 13); 2) a tangentially bounded, lower contact to the foreset laminae; 3) a feathering-out...


Sequence Architecture and Sea-Level Dynamics of Upper Permian Shelfal Facies, Guadalupe Mountains, Southern New Mexico

David A. Osleger

Journal of Sedimentary Research (SEPM)

... beds tend to be amalgamated into a single bed updip, but commonly bifurcate into two to three distinct beds downdip before feathering out near...


Geomorphology and sequence stratigraphy due to slow and rapid base-level changes in an experimental subsiding basin (XES 96-1)

Paul L. Heller, Chris Paola, In-Gul Hwang, Barbara John, Ronald Steel

AAPG Bulletin

... was surprisingly short. It took only about 1 hr for the valley to widen all the way across the basin. As it did so, incision depth decreased, feathering out along...


Alabama Piedmont Geology-2nd Annual Field Trip. (1964)

Robert W. Deininger, Robert D. Bentley, Thomas J. Carrington, Otis M. Clarke Jr., W. Robert Power, Thomas A. Simpson

Alabama Geological Society

... and rocl: 'feathering as related to rock types. Hork by others on mineral deposits and other areas in the Piedmont are mentioned in the fo110vnng sections...


The By-Passing and Discontinuous Deposition of Sedimentary Materials

J. E. Eaton

AAPG Bulletin

... in single exposures, and we may be sure that it is almost universal with distance. It not only occasions areal discontinuity and feathering-out...


Use of Photogeology and Geomorphic Criteria to Locate Subsurface Structure

Walter W. Doeringsfeld Jr., John B. Ivey

Rocky Mountain Association of Geologists

... geomorphic f e a t u r e s . F i g u r e 22 i s a n example of splay deposits. Splay deposits result, f r o m the "feathering- out" of the d i s t a l...


The Great American Carbonate Bank in Eastern Canada: An Overview

Denis Lavoie, Andre Desrochers, George Dix, Ian Knight, Osman Salad Hersi

AAPG Special Volumes

... Northern Peninsula, the dolostone feathering out eastward into the thrust stacks. There, the formation consists of limestone and includes a lower...


Contrasting facies patterns between river-dominated and symmetrical wave-dominated delta deposits

Brian J. Willis, Tao Sun, R. Bruce Ainsworth

Journal of Sedimentary Research (SEPM)

... is that coarser-grained shoreface shingles extend into locally coarser-grained feathers of the distributary-channel deposits. This lateral feathering of facies...


Systematic ichnology of the Mabou and Cumberland groups (Carboniferous) of western Cape Breton Island, eastern Canada, 1: burrows, pits, trails, and coprolites

Dave G. Keighley, Ron K. Pickerill

Atlantic Geology

.... binus but for a slight feathering on one o f the waves, and his pi. 73.1 might have a straight, shallow central groove (possibly U. consulcus). Several...


History of Stratigraphic Paleontology of West Coast Tertiary

R. M. Kleinpell

AAPG Special Volumes

... "paleoelectrically" inappropriate electric logs, great tracts of land were quit-claimed as unproductive. In the westward feathering out of the Cretaceous...


Regional Stratigraphy of Mid-Continent

Robert H. Dott

AAPG Bulletin

...-Morrow units are locally thinner than elsewhere, due to overlap, and feathering-out against the uplift. The Morrow is represented by the Springer...


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