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The AAPG/Datapages Combined Publications Database

Showing 10,598 Results. Searched 191,921 documents.

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Biogenic Contribution of CO2 in Alpine Weathering

Paul Mankiewicz , Robert E. Sweeney

Journal of Sedimentary Research (SEPM)

... to change Duck Lake water to the composition of the pre-weathering solution. This demonstrates the validity of the calculations since CO2 is the only...

1977

Abstract: Microanalytical Constraints on Geochemical Provenance of Refined Copper and Brass Artifacts from Gaspereau, Nova Scotia: Insight into the Metallurgical and Trace Element Systematics of European Contact-Era Trade Alloys

Glen D. Hodge, Jacob Hanley, Katie Cottreau-Robins, Chris Mcfarlane, Graham Layne, Bruce Stewart, Mike Sanders

Atlantic Geology

.... This allows for corrections to be made to the field observations, which can be misleading due to the weathering and corrosion. The application...

2014

Weathering of the Eaton Sandstone (Pennsylvanian), Grand Ledge, Michigan: Geochemical Mass-Balance and Implications for Reservoir Properties Beneath Unconformities

Jason R. Price, Michael A. Velbel

Journal of Sedimentary Research (SEPM)

... calculations suggest that most major elements are removed from the sandstone during weathering, but iron appears to be conserved within the sandstone...

2000

An Electronic Seismic Dip Plotter

J. A. Westphal

Oklahoma City Geological Society

... machine (patents pending) which rapidly and accurately plots, in time or depth, migrated dip segments directly from conventional seismograms. Large...

1958

Identification of Mineral Particles in Fine Grained Lacustrine Sediments with Transmission Electron Microscope and X-Ray Energy Dispersive Spectroscopy

A. Mudroch , A. J. Zeman, R. Sandilands

Journal of Sedimentary Research (SEPM)

... ratios, a computerized sorting program, TABLE 1. Major elements present in the standard minerals and used for the elemental ratio calculations...

1977

Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity

John D. Hale

CSPG Bulletin

... corrections, the various levels of reflections are plotted as dips according to their computed depth level in the line of the seismic section...

1956

Limitations of Reflection Seismograph

L. E. Nugent, Jr.

AAPG Bulletin

... not be migrated (displaced by an angle equal to the component of dip) to the point of reflection while maintaining a uniform depth scale. The depth...

1953

Subsurface Geology of the Kuala Lumpur Limestone

Lim Tow Ho

Geological Society of Malaysia (GSM)

... from borehole logs from a site investigation. The depth of the study from the surface depends on the depth of the borehole logs and the value 'ranges...

1989

Geochemical Identification of Unconformities Using Semi-quantitative X-ray Fluorescence Analysis

M. B. Al-Gailani

Journal of Sedimentary Research (SEPM)

... to retrograde phases of disintegration and weathering, followed by burial, resulting in newly developed combinations of fabrics and mineral compositions...

1980

Spring Deposits of the Wilkins Peak Member, Green River Formation, WY, USA: Possible Solute Source for a Sodium-Carbonate Factory, #90112 (2010)

Elliot Jagniecki,

Search and Discovery.com

... from which the Wilkins Peak Member chemical sediments formed are interpreted to have been derived from low-temperature weathering of bedrock...

2010

Fine-Scale Lamination/Bedding, An Important Factor in Unconventional Reservoirs Hydrocarbon Productivity

Carlos Molinares-Blanco, D. Becerra-Rondon, H. Galvis-Portilla, D. Duarte

Unconventional Resources Technology Conference (URTEC)

... of, and, is subject to corrections by the author(s). Any person or entity that relies on any information obtained from this paper does so at their own...

2022

Abstract: Geochemical and Mineralogical Studies on the Weathering of Granitic Rocks

Robert C. Harriss

Houston Geological Society Bulletin

...Abstract: Geochemical and Mineralogical Studies on the Weathering of Granitic Rocks Robert C. Harriss 1966 17 17...

1966

EXTENDED ABSTRACT: Geochemical Modeling of Regional Hydrochemical Evolution in the Wilcox Aquifer of Missouri and Arkansas

Estifanos Haile and Alan E. Fryar

GCAGS Transactions

... the confined section have been modeled. Using speciation calculations, saturation-index calculations, and inverse modeling in PHREEQC...

2008

The Role of Seismic in Play Type and Prospect Development: Eastern Canning Basin

Ted Jacobson

Petroleum Exploration Society of Australia (PESA)

... metres thick, beyond the "economic" drilling depth for weathering informa• tion. Sub-weathering topography is often extremely rugged, especially in those...

1984

Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience

N. J. Fisher, F. R. Nicholson

Papua New Guinea (PNG) Petroleum Convention Proceedings

... words, weathering static corrections may be of the order of 100 msec and relative corrections (i.e. the possible difference between statics corrections...

2000

MASS BALANCE CORRECTIONS APPLIED TO LITHOGEOCHEMICAL DATA IN MINERAL EXPLORATION

EDWARD C. APPLEYARD

Saskatchewan Geological Society

...MASS BALANCE CORRECTIONS APPLIED TO LITHOGEOCHEMICAL DATA IN MINERAL EXPLORATION EDWARD C. APPLEYARD 1990 27 40 Saskatchewan Geological Society...

1990

Assessing Changes in Elemental Mass as a Result of Chemical Weathering of Granodiorite in a Mediterranean (Hot Summer) Climate

Gary H. Girty, Jeffrey Marsh, Aron Meltzner, Jessica R. McConnell, Damon Nygren, Joanna Nygren, Gail M. Prince, Kesler Randall, Diane Johnson, Brett Heitman, Jennifer Nielsen

Journal of Sedimentary Research (SEPM)

...Assessing Changes in Elemental Mass as a Result of Chemical Weathering of Granodiorite in a Mediterranean (Hot Summer) Climate Gary H. Girty, Jeffrey...

2003

Chemical Composition of Shales of Mannville Group (Lower Cretaceous) of Central Alberta, Canada

F. A. Campbell , G. D. Williams

AAPG Bulletin

...., 1963, Matrix corrections in trace element analysis by X-ray fluorescence: Estimation of the mass absorption coefficient by compton scattering: Am...

1965

Fossil Andisols Identified with Mass-Balance Geochemistry (Oligocene John Day Formation, Oregon, U.S.A.)

Erick A. Bestland

Journal of Sedimentary Research (SEPM)

... of weathering (no Si, Al, or Fe (III) depth trends) and significant abundance of Fe (II), Mn, and P. Phosphorus is especially abundant in the calcareous...

2002

Weathering of Rocks in Arctic and Sub-Arctic Environment

P. P. Hudec

CSPG Special Publications

...Weathering of Rocks in Arctic and Sub-Arctic Environment P. P. Hudec 1973 313 335 The rocks found in the sub-Arctic and Arctic environments...

1973

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