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The AAPG/Datapages Combined Publications Database

Showing 4,231 Results. Searched 200,663 documents.

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Aspects of Trace Fossil Occurrence in Trinidad Sandstone (Cretaceous) of Northern New Mexico: ABSTRACT

John O. Maberry, Charles L. Pillmore

AAPG Bulletin

.... These linear directional structures indicate that the paleoslope of deposition and the direction of sea withdrawal were toward the east-southeast...

1971

Miocene Marine to Nonmarine Transition in Southern Coast Ranges of California: ABSTRACT

H. E. Clifton

AAPG Bulletin

... and California. The spatial relations of the facies are consistent with their origin as interpreted from depositional structures. Directional...

1972

Anatomy of Distributary Channel-Fill Deposits in Recent Mud Deltas: ABSTRACT

L. D. Meckel

AAPG Bulletin

... directional scatter. Because delta channels scour 20-200 ft below sea level, channel-fill sands are commonly positioned stratigraphically lower than...

1972

Starved Rock Member of St. Peter Sandstone--Offshore Shoal: ABSTRACT

Gordon S. Fraser, Norman C. Hester

AAPG Bulletin

..., because of the presence of such sedimentary structures as very large-scale tabular cross strata. However, the sedimentary structures, directional...

1973

Uranium Exploration Systems Case Study--Copper Mountain, Wyoming: ABSTRACT

Larry B. Bramlett, David A. Emilia, John F. Holden

AAPG Bulletin

... and granitic host rock and indicate both directional and genetic information related to the origin of the uranium deposit. End_of_Article - Last_Page 680...

1980

Tidal-Current Sand Waves in Vineyard Sound, Massachusetts: ABSTRACT

S. R. Briggs, J. B. Southard

AAPG Bulletin

... to tides and storms was studied for 8 months on Middle Ground Shoal, Vineyard Sound, Massachusetts, which has a nearly bi-directional tidal ellipse...

1980

Arkoma Basin Model: Middle Ordovician Through Early Devonian: ABSTRACT

Thomas W. Amsden

AAPG Bulletin

... thickness does not exceed 500 ft (152 m), and which neither individually nor collectively shows any directional thickening. Early Devonian deposition...

1981

Structural Patterns in Western Canada Basin: ABSTRACT

J. E. Robinson, H. A. K. Charlesworth

AAPG Bulletin

... (12 to 25 mi) and two directional filters to enhance structures with northeast-southwest and northwest-southeast trends. The filtered maps indicate...

1982

Uranium Deposits in Channel Curves of Salt Wash Sandstone Member of Morrison Formation (Late Jurassic), Utah: ABSTRACT

J. C. Nellis

AAPG Bulletin

... directional sedimentary structures, were deposited by streams of slight to moderate sinuosity, with occasional sharp bends. Such curves were loci...

1982

Mechanical Factors Affecting Stimulation Design in Devonian Gas Shale: ABSTRACT

William J. Gregg, T. H. Mroz

AAPG Bulletin

... hydrofracturing, and directional ultrasonic testing. Natural fractures were measured prior to testing. The preferred orientation of both induced and natural...

1983

Regional Variability of Washover Deposits on South Texas Coast: ABSTRACT

John R. Suter, Amy K. Maynard

AAPG Bulletin

... channels show cut and fill structures with shell lags, plane beds, and some trough cross-beds. Directional features indicate that the washovers...

1983

Reservoir Characterization of Mesaverde (Campanian) Bedload Fluvial Meanderbelt Sandstones, Northwestern Colorado: ABSTRACT

Jon R. Jones, Jr.

AAPG Bulletin

... 493 493 68 4. (April) Reservoir characterization of Mesaverde meanderbelt sandstones is used to determine directional continuity of permeable zones...

1984

Implications to Exploration of Porosity Relationships and Paragenetic Sequences, Jurassic Navajo (Nugget) Sandstone, Utah and Southwestern Wyoming: ABSTRACT

Kadir Uygur, M. Dane Picard

AAPG Bulletin

... constituents, intergranular and intragranular cements, matrix, directional porosity, porosity types, and hydraulic conductivity. Present characteristics...

1984

Use of Core-Measured Fracture Patterns in Exploration and Exploitation Strategy: ABSTRACT

Christopher H. Garrett, Richard H. Snyder

AAPG Bulletin

... at the surface provided that the bedding is visible or that other directional core parameters, such as paleomagnetic properties, can be measured...

1985

A Spectrum of Late Paleozoic and Cretaceous Shelf Bars, Western United States: ABSTRACT

Alan J. Scott

AAPG Bulletin

... and directional features suggests tidal currents were relatively unimportant in nearshore shelf bars of the Cretaceous Interior seaway. Examples of Pennsylvanian...

1987

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