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The AAPG/Datapages Combined Publications Database

Showing 11,101 Results. Searched 200,693 documents.

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NEAR SURFACE MINERAL POTENTIAL OF THE PLAINS OF WESTERN CANADA, WITH SPECIAL REFERENCE TO SASKATCHEWAN

M.J. MILLARD, M.A. SIMPSON, B.T. SCHREINER, AND W.A.D. EDWARDS

Saskatchewan Geological Society

...NEAR SURFACE MINERAL POTENTIAL OF THE PLAINS OF WESTERN CANADA, WITH SPECIAL REFERENCE TO SASKATCHEWAN M.J. MILLARD, M.A. SIMPSON, B.T. SCHREINER...

1990

Abstract: Climate and Predictive Stratigraphy

Matt Matthews

Houston Geological Society Bulletin

... in weathering, runoff, and the water balance of the basin system. Climatic change over periods of thousands to hundreds of thousands of years has been...

1990

Detrital Clay Coats, Clay Minerals, and Pyrite: A Modern Shallow-Core Analogue For Ancient and Deeply Buried Estuarine Sandstones

Joshua Griffiths, Richard H. Worden, Luke J. Wooldridge, James E. P. Utley, Robert A. Duller

Journal of Sedimentary Research (SEPM)

... how detrital clay coats and clay minerals (chlorite, illite, kaolinite, and smectite) are distributed in the near-surface (one meter cores; n = 23...

2018

Biogenic Contribution of CO2 in Alpine Weathering

Paul Mankiewicz , Robert E. Sweeney

Journal of Sedimentary Research (SEPM)

... at 10,200-ft elevation. During subsequent surface flowage, the spring water re-equilibrates, both isotopically and chemically, with atmospheric CO2. FETH, J...

1977

Application of multi-element geochemistry in the weathered environment: Controls, considerations and implications for exploration

Fiona Best, Matthew Readford, Kristina Walcott

Petroleum Exploration Society of Australia (PESA)

... exploration case studies, to demonstrate how: (1) chalcophile and pathfinder element mobility in the near-surface weathered environment impacts...

2019

State of Seismic Prospecting

Andrew Gilmour

AAPG Bulletin

.... This travel time then undergoes correction for weathering, for elevation, and for frequency variations, and is compared with the travel times from near...

1950

Lithological and Geochemical Aspects of the Upper Devonian Torquay Formation, Saskatchewan

James E. Christopher

Journal of Sedimentary Research (SEPM)

... of intraformational weathering acting under conditions of alternating oxidation and reduction. BRINDLE, J. E., 1960, Mississippian megafaunas...

1963

Dual Origin of Basin and Range Faults

Gary W. Crosby

Utah Geological Association

... it is realized that the cratonward edge of the fold and thrust belt is at an average surface elevation nearly 1900 feet above the average elevation...

1972

Defining Paleo-Exposures and Paleo-Aquifers in Carbonates with Isotopic and Cationic Data: A Brief Review

Paul D. Wagner

Rocky Mountain Association of Geologists

... in the subsurface. Diagenetic alteration can have occurred at an early time near or at the surface, or much later in the paragenetic sequence under...

1994

Surface Diagenesis of Limestone

Henry S. Chafetz

Journal of Sedimentary Research (SEPM)

... the minimum effects of surface weathering, i.e., to collect the freshest samples possible. This is, of course, desirable when trying to interpret...

1972

The Use and Limitations of Non-Seismic Geophysics in the Papuan Thrust Belt

A. J. Billings, J. H. Thomas

Papua New Guinea (PNG) Petroleum Convention Proceedings

... the signal to noise ratio. Probably the most im portant factor is the near surface karstification which is believed to channel both the downgoing...

1990

Geology of Sinbad Valley Anticline

Raymond E. Maret, A. V. Robertson Coe

Four Corners Geological Society

... are developed in some of the near-surface sandstones by leaching and weathering processes. No permeability was observed in cuttings or cores...

1960

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

... signal. Significant energy absorption and loss of high frequencies also occurs in the unconsolidated weathering layers near the surface. If the geophones...

2011

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)

... facies of the La Posta pluton at an elevation of 1195 m (3920 feet) (Fig. 2). The land surface of the weathering profile is rocky and slopes gently...

2003

Porosity Prediction in Frontier Basins: A Systematic Approach to Estimating Subsurface Reservoir Quality from Outcrop Samples

R.C. Tobin

AAPG Special Volumes

... history, including both ancient near-surface and subsurface diagenesis and recent weathering. The discovery of tight reservoir facies in surface outcrop...

1997

A Chromium Nickel Laterite in Bukit Punggor, Malacca, Peninsular Malaysia - A Reply

B. K. Tan

Geological Society of Malaysia (GSM)

... on.this subject appears irrelevant since only surficial or near surface samples can be collected in Bukit Punggor whereas in the well studied examples...

1982

Airborne and Ground Electrical Resistivity Studies along Proposed Trans-Alaska Pipeline System (TAPS) Route: ABSTRACT

Frank C. Frischknecht, W. D. Stanley

AAPG Bulletin

... that the resistivity of the unfrozen material was found to be more varia le. Where bedrock is near the surface, the resistivity appears to be inversely...

1970

ABSTRACT: Integrated Crosswell Seismic … An Advanced Technology to Improve Reservoir Description - Case Histories; #90051 (2006)

Massimo Antonelli, Claudio D'Agosto, Francesco Miranda

Search and Discovery.com

... that achievable with surface seismic); • Measurements directly referenced in depth; • Near surface effects (topography, weathering or gas sands, etc.) entirely...

Unknown

Landsat Interpreted Structure and Groundwater Flow within the Eromanga Basin

B. R. Senior

Petroleum Exploration Society of Australia (PESA)

... of seven others, principally in the fields of rock weathering, stratigraphy and structure of Australian sedimentary basins. Since joining HGG...

1982

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