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The AAPG/Datapages Combined Publications Database

Showing 11,101 Results. Searched 200,599 documents.

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Geology of the Uinta Mountain Area, Utah-Colorado

G. E. Untermann, B. R. Untermann

Utah Geological Association

... and elevation of these depositional basins was initiated near the close of the Cretaceous period, resulting in the present ranges of which the Uinta...

1969

Use of Unmanned Aerial Vehicles (UAVs) to Create Digital Outcrop Models: An Example from the Cretaceous Cow Creek Formation, Central Texas

Chris Zahm, Josh Lambert, Charlie Kerans

GCAGS Journal

... to assist viewing the elevation characteristics in relation to the terrain by controlling the light intensity and angle across the DEM surface (Fig. 4...

2016

Geology of Southern Part of La Barge Region, Lincoln County, Wyoming

A. J. Bertagnolli, Jr.

AAPG Bulletin

...-seamed limestone that weathers to a light gray color and has a pitted surface on westward dipping slopes. The surfaces formed by weathering on eastward...

1941

Writing-on-Stone Provincial Park in Cores : The Virgelle Member, Milk River Formation, Southern Alberta, Canada

R. Meyer, F. F. Krause

CSPG Special Publications

... : paleosol weathered sandstone. Description: this facies encompasses all the sandstone intervals thought to be affected by near-surface, subaerial weathering...

1995

The Geology of the Samoan Islands

Barbara H. Keating

Circum Pacific Council Publications

... on their lesser erosion and weathering. The lack of deep water courses and the angularity of surface boulders are the most important criteria...

1992

Boundaries of The Edmonton Formation in the Central Alberta Plains

John D. Campbell

CSPG Bulletin

..., and the uppermost Bearpaw there is probably younger than the uppermost Bearpaw of south-eastern Alberta. The Ardley Coal interval, near the top of the Edmonton...

1962

Frontmatter, TOC, Road Logs: West Texas Geological Society Geology and Petroleum Potential of Chihuahua, Mexico

K. F. Clark, R. E. Gerald, L. W. Bridges, R. Dyer, D. V. LeMone

West Texas Geological Society

... to first terrace adjacent flood plain. 0.4 (0.2) 20.5 (33.1) Restaurante La Cuesta on west side. 0.4 (0.6) 20.9 (33.7) Road junction near surface...

1984

Paleoenvironmental and Paleoclimatic Interpretations of the Late Paleocene Goler Formation, Southern California, U.S.A., Based on Paleosol Geochemistry

Mark A. Torres, Robert R. Gaines

Journal of Sedimentary Research (SEPM)

... mammalian fossils (Albright et al. 2010). Geologic Setting The Goler Formation, exposed in the El Paso Mountains near Ridgecrest, California (Fig. 1...

2013

Upper Silurian Leopold Formation in the Somerset-Prince Leopold Islands Type Area, Arctic Canada

Owen A. Dixon, Brian Jones

CSPG Bulletin

... near Port Leopold and on Prince Leopold Island. The formation is highly varied lithologically, contains a sparse, restricted marine fauna...

1978

The Size-Distribution of Heavy Minerals Within a Water-Laid Sandstone

William W. Rubey

Journal of Sedimentary Research (SEPM)

... of a muddy fluid might reach the bottom long before larger grains that started falling from near the surface of the fluid. The only assumption involved here...

1933

A Note on the Age of the Weathering Profiles of Peninsular Malaysia

J. K. Raj

Geological Society of Malaysia (GSM)

...A Note on the Age of the Weathering Profiles of Peninsular Malaysia J. K. Raj 135 CAT ATAN GE 0 LOG 1 ( GE 0 LOG I CAL NOT E S ) ANOTE ON THE AGE...

1982

3D Structural and Stratigraphic Frameworks Using Acoustic Impedance Amplitude, and Edge-Enhanced Seismic Volumes

K. D. Kelsch, T. L. Heidrick, Hazairin, J. Randle, D. Moore, G. Schmit, A. Rauf

Indonesian Petroleum Association

... in their hangingwalls. In areas where the lowstand erosion surface exposes substrata to prolonged periods of tropical weathering, the SBs appear as 5-250 feet thick...

1998

Alluvial-Fan Slope as a Function of Sediment Transport Efficiency

Juan Pablo Milana , Lucia Ruzycki

Journal of Sedimentary Research (SEPM)

... residence times of water at and near the surface cause increased chemical weathering and production of clay. As a result, mud flows may be frequent...

1999

Diagenetic constraints on heterogeneous reservoir quality assessment: A Triassic outcrop analog of meandering fluvial reservoirs

Saturnina Henares, Luca Caracciolo, César Viseras, Juan Fernández, and Luis M. Yeste

AAPG Bulletin

...). Near-surface and shallow-burial diagenetic processes (early diagenesis) have a substantial control on deep-burial diagenesis, constrained...

2016

Pre-Pennsylvanian Paleotectonics--Key to Basin Evolution and Petroleum Occurrences in Paradox Basin, Utah and Colorado

D. L. Baars

AAPG Bulletin

... weathering of the limestone surface produced a karst topography and supplied red sediments to the regolithic Molas Formation. Reworked sediments were...

1966

Mather and Hockingport Sandstone Lentils (Pennsylvanian and Permian) of Dunkard Basin, Pennsylvania, West Virginia, and Ohio

Wayne D. Martin , Bernard R. Henniger

AAPG Bulletin

...). No explanation can be offered for the absence of an iron oxide stain in the kaolinite. It does not seem likely that the clay developed after surface or near...

1969

The Geology of a Part of the Drainage Basins on Spavinaw, Salina and Spring Creeks, Northeastern Oklahoma

Clayton E. Gore Jr.

Tulsa Geological Society

... very near the surface. Age. Until quite recently the emplacement and age of the Spavinaw granite has been a controversial issue. N. F. Drake at first (12...

1952

Eolian Sand Control

Richard C. Kerr, John O. Nigra

AAPG Bulletin

.... The near-surface winds, though, are subject to interference from natural topographic features and artificial barriers. These surface winds experience marked...

1952

Part III: Hydrogeology of the Yucatan

William Back

New Orleans Geological Society

...) where the surface elevation is about 30 m. On April 30, 1966, the water level was 28.6 m (94 feet) below land surface in the sampled well; using 30 m...

1985

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