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The AAPG/Datapages Combined Publications Database

Showing 26,346 Results. Searched 195,705 documents.

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Ascending

Modern Graded Beds and Turbidity Currents: Case History: ABSTRACT

John R. Conolly, Maurice Ewing

AAPG Bulletin

.... There is a general decrease in the grain-size of the coarsest detritus as well as the thickness of the basal sandy section in each graded bed down the high-level...

1966

K-Ar Mineral Age of Ash Bed in Pico Formation, Ventura Basin, California: ABSTRACT

Robert S. Yeats, W. A. McLaughlin, George Edwards

AAPG Bulletin

...K-Ar Mineral Age of Ash Bed in Pico Formation, Ventura Basin, California: ABSTRACT Robert S. Yeats, W. A. McLaughlin, George Edwards 1967 486 486 51...

1967

Source of Detritus in Gueydan (Catahoula) Formation, Southern Texas Gulf Coast: ABSTRACT

William L. Lindemann, Earle F. McBride

AAPG Bulletin

... Mexico; the fine pyroclastic material may have come from the same area or farther west. Cross-bed data show that streams flowed east-southeast...

1967

Principles of Deltaic Prospecting: ABSTRACT

Daniel A. Busch

AAPG Bulletin

... to all the others. It is defined at the top by a marker bed (such as a thin limestone or bentonite) and at the base by either a marker bed...

1970

Borden Delta (Lower Mississippian) in North-Central Kentucky: ABSTRACT

Roy C. Kepferle, Warren L. Peterson

AAPG Bulletin

... Formation in north-central Kentucky consists of 4 widespread units--a basal clay shale, a middle siltstone and silty shale, a glauconite-rich marker bed...

1970

Antidune Cross-Stratification in Turbidite Sequence, Cloridorme Formation, Gaspe, Quebec: ABSTRACT

Keith Skipper

AAPG Bulletin

... above the basal division. In 1 bed, which occurs in a sequence with beds exhibiting ripple-drift cross-lamination, a ripple-drifted horizon...

1970

Genetic Units and Delta Prospecting: ABSTRACT

Daniel A. Busch

AAPG Bulletin

... related to all the others. It is defined at the top by a time-lithologic marker bed (such as a thin limestone or bentonite), and at the base by either...

1971

Micropaleontologic Investigation of Ewekoro Area, Southwestern Nigeria: ABSTRACT

L. O. Asseez, E. A. Fayose

AAPG Bulletin

.... A detailed bed-by-bed sampling of the section exposed at Ewekoro was carried out. Altogether, about 78 species of benthonic and planktonic Foraminifera were...

1971

Resource and Land Information Applied to Potential Coal Development in Gillette Area, Wyoming: ABSTRACT

W. F. Keefer, Richard F. Hadley

AAPG Bulletin

.... The Wyodak-Anderson coal bed is the deposit of greatest interest. This bed averages 50 to 100 ft in thickness in many places, lies less than 200 ft...

1974

Coal Resources of Taiwan: ABSTRACT

P. Wu

AAPG Bulletin

... workable coal beds; and the Lower Coal Measures, three workable coal beds. Each individual coal bed ranges in thickness from one meter or more to several...

1974

Effect of Artificial Sea Grass on Wave Energy and Nearshore Sand Transport: ABSTRACT

C. J. Wayne

AAPG Bulletin

...). The average bending moment per individual frond was calculated to be approximately 2.0 lb-in. A dense bed of sea grass has the potential to reduce wave energy...

1974

Videotapes of Active Primary Physical and Biogenic Sedimentary Structures of Epicontinental Shelf, Northern Bering Sea: ABSTRACT

Michael E. Field, William C. Richmond, C. Hans Nelson

AAPG Bulletin

... well-sorted detrital sand. Bed forms observed on ridge crests and flanks include wave and current ripples and two populations of sand waves (^lgr...

1979

Regional Stratigraphy of Limestone Marker Beds in Bridge Creek Member, Greenhorn Limestone (Upper Cretaceous), Western Interior United States: ABSTRACT

Donald E. Hattin

AAPG Bulletin

.... Each bed is thoroughly bioturbated, and the thickness, fossil content, and fiel characteristics are remarkably uniform for great distances. Dominant...

1979

Energy Dissipation over Salt Marsh and Its Effect on Estuarine Sediment Transport and Tidal Dynamics: ABSTRACT

Gary A. Zarillo

AAPG Bulletin

.... (March) Sand transport in a salt marsh estuary near Sapelo Island, Georgia, is in a net seaward direction. Bed forms migrate seaward at rates that vary...

1979

Gulf Coast Lignite--Status Report: ABSTRACT

W. R. Kaiser

AAPG Bulletin

...). Reclamation cost is approximately $1,000/acre ($400/ha.). Bucket-wheel excavators are inevitable as multiseam thin-bed deposits are mined at increasing depths...

1979

Modification of Linear Sand Ridges by Bed-Form Migration--Bering Sea and United States Atlantic Shelf: ABSTRACT

Michael E. Field, Donald J. P. Swift, C. Hans Nelson

AAPG Bulletin

...Modification of Linear Sand Ridges by Bed-Form Migration--Bering Sea and United States Atlantic Shelf: ABSTRACT Michael E. Field, Donald J. P. Swift...

1980

Anticipating Coal Mining Problems in Hartshorne Formation, East-Central Oklahoma, Using Sedimentary Facies Analysis: ABSTRACT

David W. Houseknecht, Anthony T. Iannacchione

AAPG Bulletin

...). This sandstone rests directly on and locally replaces the Lower Hartshorne coal bed. Three major mining problems are related to this sandstone body: (1...

1980

Trace-Makers as Historians in Large-Scale Cycles of Western Interior Cretaceous Strata: ABSTRACT

Marcus W. Johnson, Allen W. Archer, Donald E. Hattin

AAPG Bulletin

... to several bioturbated carbonate beds of the Greenhorn Limestone that are traceable over large areas of the basin. Bed-by-bed analysis suggests...

1980

Patterns of Shallow-Marine Deposition, Upper Cretaceous of Northern Colorado: ABSTRACT

L. W. Kiteley, M. E. Field

AAPG Bulletin

... and Pierre Shales represent beach, distributary mouth bar, shoreface, and mid-shelf bar deposits. Texture, sorting, bioturbation, thickness, and bed...

1980

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