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The AAPG/Datapages Combined Publications Database

Showing 11,101 Results. Searched 200,691 documents.

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Raguba Field--Libya Sirte Basin

Philip Brennan

AAPG Special Volumes

... the surface of the quartzitic sandstones at a subsea elevation of 1616 m (5302 ft), 94 m (307 ft) low to th same point in E3-20. But E6-20 encountered...

1992

Applications and Limitations of Dip Shooting

E. E. Rosaire and Joseph L. Adler

AAPG Bulletin

... principal common errors appear to lie in the drafting of the profiles, the determination of the time step-out, and the weathering correction...

1934

The Geophysical Aspects of Abnormal Fluid Pressures

Edward B. Reynolds, John E. May, Alf Klaveness

Houston Geological Society

...-surface effects (weathering and water depth errors). These effects can produce either higher or lower RMS velocities than the vertical average velocity...

1971

Petrography, Geochemistry, and Origin of Burial Diagenetic Facies, Siluro-Devonian Helderberg Group (Carbonate Rocks), Central Appalachians

S. L. Dorobek

AAPG Bulletin

... by alteration of ferroan saddle dolomite in near-surface weathering zones (cf. Frank, 1981) after tectonic uplift. Unaltered saddle dolomite has very...

1987

Multiscale insights into the Mount Weld REE deposit from 2D and 3D active seismic survey data

Thomas Bell, Greg Turner, Ganesh Bhat, Brad Knell

International Meeting for Applied Geoscience and Energy (IMAGE)

... to guide future groundwater and REE exploration. Introduction The refraction data showed a strong correlation between deeper near surface zones of low...

2023

Wrangell Saint Elias National Park and Preserve Cave Inventory Project 2009 - Abstract

Kevin Allred, Steve Lewis, Carlene Allred, Cathy Connor

Alaska Geological Society

... as having potential cave and karst resources in two areas near McCarthy, AK. Here extensive outcrops of the Triassic Nizina and Chitistone limestone...

2009

ABSTRACT: Modeling the Maastrichtian (Late Cretaceous) Landscape Using a Coupled Ocean-Atmosphere GCM and Detailed Global Paleo-DEM; #90013 (2003)

Paul J. Markwick, Paul J. Valdes

Search and Discovery.com

... and Detailed Global Paleo-DEM The past surface relief of the Earth is an essential boundary condition for studies of past climatology and oceanography...

2003

ABSTRACT: CRS-Stack-Based Seismic Imaging Considering Top-Surface Topography; #90051 (2006)

Z. HEILMANN, M. VON STEHT, I. KOGLIN, T. KLUVER, C. JAGER

Search and Discovery.com

... under difficult conditions, becomes again more and more important. Unfortunately, rough top-surface topography and a strongly varying weathering...

Unknown

Soil moisture retention characteristics of saprock from the weathering profile over a biotite-muscovite granite in Peninsular Malaysia

John Kuna Raj

Geological Society of Malaysia (GSM)

... Lumpur, Malaysia Email address: [email protected] Abstract: The weathering profile at the slope cut near Km 16 of the Kuala Lumpur - Ipoh trunk road...

2021

Evolution and Origin of Two Large Mud Diapirs within the Wilkins Peak Member of the Green River Formation, #51467 (2018).

Jason Klimek, Samuel Hudson

Search and Discovery.com

... where sands are observed. These are interpreted here to have been deformed pre-lithication, at or near the surface, by the rising mud diapir, offering...

2018

Multidisciplinary thermal maturity studies using vitrinite reflectance and fluid inclusion microthermometry: A new calibration of old techniques

Rick C. Tobin, Brenda L. Claxton

AAPG Bulletin

.... Fluid Inclusion Stretching In sedimentary basins, aqueous fluid inclusions commonly form in near-surface to shallow burial environments...

2000

Saturated hydraulic conductivity (Ks) of earth materials in a weathering profile over the Kuantan Basalt, Pahang, Malaysia

John Kuna Raj

Geological Society of Malaysia (GSM)

... are considered to result from fissure type eruptions; the center of extrusion near Bukit Tinggi, which at an elevation of 138 m above sea level...

2021

Large-Rock Avalanche Deposits, Eastern Basin and Range, Utah: Emplacement, Diagenesis, and Economic Potential

Thomas H. Morris , Gregory F. Hebertson

AAPG Bulletin

... and Mineralogists Special Publication 36, p. 79-95. Harrison, R. S., 1977, Caliche profiles, indicators of near-surface subaerial diagenesis, Barbados, West...

1996

Petroleum-Related Origin for Uraniferous Organic-Rich Nodules of Southwestern Oklahoma

Joseph A. Curiale , Salman Bloch , Janina Rafalska-Bloch , William E. Harrison

AAPG Bulletin

... crude oil, migrating from depth, is initially altered near the surface to a more viscous material. Concurrently migrating uranium-bearing ground water...

1983

Quaternary Volcanic Ash Deposits in the Padang Terap District, Kedah, Peninsular Malaysia

J. Debaveye, M. De Dapper, P. De Paepe, R. Gijbels

Geological Society of Malaysia (GSM)

... conditions. The stage of weathering of the soils developed on rhyolitic ash, characterised by an argillic horizon, is intermediate between the weathering...

1986

Authigenic Clays Diagenetic Sequences and Conceptual Diagenetic Models in Contrasting Basin-Margin and Basin-Center North Sea Jurassic Sandstones and Mudstones

Stuart D. Burley, Joe H. S. Macquaker

Special Publications of SEPM

... with on unit from starting perspective is required diagenetic evolution of near surface conditions basin comparing structure to through to deep...

1992

Arkose, Subarkose, Quartz Sand, and Associated Muds Derived from Felsic Plutonic Rocks in Glacial to Tropical Humid Climates

Peter C. van de Kamp

Journal of Sedimentary Research (SEPM)

... of Petroleum Geologists, Bulletin, v. 72, p. 664–681. Wolff, R.G., 1967, Weathering of Woodstock Granite, near Baltimore, Maryland: American Journal of Science...

2010

Heavy-Mineral Assemblages In Sandstone Intrusions: Panoche Giant Injection Complex, California, U.S.A.

Andrew Hurst, Andrew Morton, Anthony Scott, Mario Vigorito, Dirk Frei

Journal of Sedimentary Research (SEPM)

...; Walderhaug and Porten 2007) or by near-to-surface alteration in meteoric water (Morton 2012). Evidence of mineral dissolution is clear in the intrusive...

2017

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