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The AAPG/Datapages Combined Publications Database

Showing 10,780 Results. Searched 195,354 documents.

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Regional Evaluation of Cut-Slope Instability Using Statistical Methods - Northern Range, Trinidad

Stanley Rich Wharton

Geological Society of Trinidad & Tobago

... and the degree of weathering. Three main statistical tests were performed: 1. Cross-tabulation statistical test for alpha-numeric data, 2. One-Way...

1991

Differential Mobility of Elements in Burial Diagenesis of Siliciclastic Rocks

Robert P. Wintsch, Cindy M. Kvale

Journal of Sedimentary Research (SEPM)

..., the calculations show that rock densities increase slightly with depth, and reveal a systematic error of up to 3% in the volume factor if a constant density...

1994

Spatial Variations in the Chemical Composition of Eolian Sediments in Hyperarid Regions: a Case Study from the Badain Jaran Desert, Northwestern China

Qiujie Chen, Zhuolun Li, Shipei Dong, Nai'ang Wang, Derrick Y.F. Lai, Kai Ning

Journal of Sedimentary Research (SEPM)

... of the chemical weathering in this desert, the exact environmental significance indicated by CIA should be stated explicitly before using this index as a proxy...

2018

Abstract: Weathering and Rock Strength

John Kunaraj

Geological Society of Malaysia (GSM)

...Abstract: Weathering and Rock Strength John Kunaraj 276 Weathering and rock strength JOHN KUNARAJ, Jabatan Geologi, Universiti Malaya, Kuala Lumpur...

1982

Abstract: Weathering of Granitic Rocks

John K. Raj

Geological Society of Malaysia (GSM)

... of the original bedrock; the degree of preservation increasing with depth. Morphological Zone III (comprising Rock Mass Weathering Grades 2 and 1...

1998

Application of Schmidt hammer rebound test for weathering profile classification of granite, Paya Terubong, Penang, Malaysia

Mohamad Anuri Ghazali, Mohd Rozi Umor, Mohd Syafiq Hussin, Abdul Ghani Md. Rafek

Geological Society of Malaysia (GSM)

...Application of Schmidt hammer rebound test for weathering profile classification of granite, Paya Terubong, Penang, Malaysia Mohamad Anuri Ghazali...

2022

High-Frequency Detrital Signals in Eocene Fan-Delta Sandstones of Mixed Parentage (South-Central Pyrenees, Spain): A Reconstruction of Chemical Weathering in Transit

G. J. Weltje, S. O. K. J. Van Ansenwoude, P. L. De Boer

Journal of Sedimentary Research (SEPM)

... Weathering in Transit G. J. Weltje, S. O. K. J. Van Ansenwoude, P. L. De Boer 1996 Vol. 66 No. 1. (January), High-frequency sedimentation patterns in fan...

1996

High Resolution “Vibroseis” Data – Compressional and Shear-Wave Modes

D. E. Miller, D. E. Dunster

Pacific Section of AAPG

... 6 shows the same data after being corrected for weathering and elevation. The undulations are nearly gone and the slight south dip is now apparent...

1972

Weathering Features of a Granitic Outcrop at Sungai Batu, Penang

Lim Tow Ho

Geological Society of Malaysia (GSM)

...Weathering Features of a Granitic Outcrop at Sungai Batu, Penang Lim Tow Ho Weathering features of a granitic outcrop at Sungai Batu, Penang LIM Tow...

1995

A Fulcrum Approach To Assessing Source-To-Sink Mass Balance Using Channel Paleohydrologic Paramaters Derivable From Common Fluvial Data Sets With An Example From the Cretaceous of Egypt

John Holbrook, Hamdalla Wanas

Journal of Sedimentary Research (SEPM)

.... An additional factor worthy of consideration is that discharge calculations from field measurements are derived not only from channel depth but also...

2014

Geochemical and Isotopic Signatures of Surficial Sediments from the Western Continental Shelf of India: Inferring Provenance, Weathering, and the Nature of Organic Matter

Siby Kurian, B. Nagender Nath, N. Chandramohana Kumar, K.K.C. Nair

Journal of Sedimentary Research (SEPM)

...Geochemical and Isotopic Signatures of Surficial Sediments from the Western Continental Shelf of India: Inferring Provenance, Weathering...

2013

Provenance of Triassic-Cretaceous Sandstones in the Antarctic Peninsula: Implications for Terrane Models During Gondwana Breakup

Robert C.R. Willan

Journal of Sedimentary Research (SEPM)

..., p. 715-717. NESBITT, H.W., AND YOUNG, G.M., 1984, Prediction of some weathering trends of plutonic and volcanic rocks based on thermodynamic...

2003

Gravity Survey of the Northern Channel Islands

J. D. Rietman, J. K. Aldrich

Pacific Section of AAPG

... Island, Tatel and Tuve (1955) estimated that the crust-mantle boundary may be as shallow as 20 kilometers beneath the islands. This depth is approximately...

1969

Fluvial Sedimentation Conditioned by Quaternary Climatic Change in Central Texas

Victor R. Baker , Margarida Maria Penteado-Orellana

Journal of Sedimentary Research (SEPM)

... of the Colorado River during the Quaternary has resulted in long perio s of storage for alluvium in flanking terraces. With increasing time for weathering...

1978

Paleohydrology of the Eocene Las Palmas Gravels, Baja California, Mexico

Scott D. McDonough, Patrick L. Abbott

Pacific Section SEPM

... of the techniques overlapping. The largest and most anomalous values of depth came frcm calculations based on Dubpy's equation. They utilize shear stress values...

1989

Systematic Approach in the Characterisation of Granitic Weathering Profiles in Tropical Terrains

Ibrahim Komoo, Kadderi Md Desa, Hamzah Mohamad, Abdul Ghani Rafek, Tan Boon Kong

Geological Society of Malaysia (GSM)

.... Although the degree of rock mass weathering changes with depth, the general trend that the rocks are completely weathered near the surface and become less...

1991

The Sedimentology, Reservoir Potential and Seal Integrity of the Pale Sandstone at the Aure Scarp, Papua New Guinea

Peter Boult, George J. Carman

Papua New Guinea (PNG) Petroleum Convention Proceedings

... depth of 2500 m. Fractures within the basal Mendi Formation are nonpenetrative and syntectonicaily annealed; the sharp contact with the underiying...

1993

Belden Shale Sections at Fossil Ridge and Mosca, Gunnison County, Colorado

Ralph Langenheim, Jr.

Earth Science Bulletin (WGA)

... and the cutbank, crosses beds of abnormal dip and strike and may cross a fault. A detailed description of the section follows: MOSCA SECTION Unit...

1978

Provenance of lower Cambrian quartz arenite on southwestern Baltica: Weathering versus recycling

Sanne Lorentzen, Tonje Braut, Carita Augustsson, Johan P. Nystuen, Jens Jahren, Niels H. Schovsbo

Journal of Sedimentary Research (SEPM)

...Provenance of lower Cambrian quartz arenite on southwestern Baltica: Weathering versus recycling Sanne Lorentzen, Tonje Braut, Carita Augustsson...

2020

Abstract: Increasing the Alkalinity of the Ocean to Enhance its Capacity to Act as a Carbon Sink and to Counteract the Effect of Ocean Acidification; #90172 (2014)

T. Kruger

Search and Discovery.com

... to refine the numbers; secondly, the calculations have been performed using calcium carbonate as the source of alkalinity – if magnesite (MgCO3) or dolomite...

2014

Characterisation of the Weathering Profile Developed over an Amphibole Schist Bedrock in Peninsular Malaysia

J. K. Raj

Geological Society of Malaysia (GSM)

...) III + L.....J -L.. t Location of weathering profile _____ Lithological boundary Dip and strike of foliation Dip and strike of bedding I banding...

1994

Detrital Opaque Oxides as Provenance Indicators in River Nile Sediments

Jill Stephanie Schneiderman

Journal of Sedimentary Research (SEPM)

..., p. 1579-1597. JOHNSSON, M.J., STALLARD, R.F., AND LUNDBERG, N., 1991, Controls on the composition of fluvial sands from a tropical weathering...

1995

Quantification of the Effects of Secondary Matrix on the Analysis of Sandstone Composition, and a Petrographic-chemical Technique for Retrieving Original Framework Grain Modes of Altered Sandstones

Ronadh Cox , Donald R. Lowe

Journal of Sedimentary Research (SEPM)

... compositions. Provenance analysis is also complicated in many cases by fundamental compositional alteration during weathering and transport. Many...

1996

Geochemical Interpretation of Flowback Fluids to Assess Fracking Efficiency and Reservoir Compartmentalization

Peter Birkle, Glenn K. MaKechnie

Unconventional Resources Technology Conference (URTEC)

.... All information is the responsibility of, and, is subject to corrections by the author(s). Any person or entity that relies on any information...

2019

Stratigraphy and Petroleum Potential of the Upper Three Forks Formation, North Dakota, Williston Basin USA.

Claudia Gutierrez, Stephen A. Sonnenberg

Unconventional Resources Technology Conference (URTEC)

... information herein. All information is the responsibility of, and, is subject to corrections by the author(s). Any person or entity that relies on any...

2013

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