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The AAPG/Datapages Combined Publications Database
Showing 10,780 Results. Searched 195,354 documents.
Mudstone Petrology of the Mesoproterozoic Unkar Group, Grand Canyon, U.S.A.: Provenance, Weathering, and Sediment Transport on Intracratonic Rodinia
John D. Bloch, J. Michael Timmons, Laura J. Crossey, George E. Gehrels, Karl E. Karlstrom
Journal of Sedimentary Research (SEPM)
...Mudstone Petrology of the Mesoproterozoic Unkar Group, Grand Canyon, U.S.A.: Provenance, Weathering, and Sediment Transport on Intracratonic Rodinia...
2006
Early Evolution of the OceansaA Weathering Model
G. Michel Lafon, Fred T. Mackenzie
Special Publications of SEPM
... of siderite and ankerite supported are balance to some calculations These degree by on the sub Garrels and weathering of basalts Mackenzie...
1974
Abstract: Weathering Path Diagram (WPD)
Kadderi Md. Desa
Geological Society of Malaysia (GSM)
...Abstract: Weathering Path Diagram (WPD) Kadderi Md. Desa 195 Weathering path diagram (WPD) KAnDERI MD. DESA Jabatan Geologi, Universiti Kebangsaan...
1995
Evidence for Biological and Hydrological Controls on the Development of a Paleoproterozoic Paleoweathering Profile in the Baraboo Range, Wisconsin, U.S.A.
Steven G. Driese, L. Gordon Medaris Jr.
Journal of Sedimentary Research (SEPM)
... and alteration of feldspars and mafic minerals (now sericite and Fe-oxides). Geochemical evidence for weathering includes depth-dependent whole-rock...
2008
How to Make Velocity Corrections
John W. Daly
AAPG Bulletin
... in Case IV to the assumption that the speed layers are parallel at the surface and dip at a rate which varies as a function of the depth. In this latter...
1944
Evidence for the Formation of Illite from Smectite During Burial Metamorphism in the Belt Supergroup, Clark Fork, Idaho
Eric Eslinger , Barbara Sellars
Journal of Sedimentary Research (SEPM)
... suite indicates that the illite formed from smectite during metamorphism rather than from the direct weathering of some high-temperature phase...
1981
Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
Robert E. Sheriff
AAPG Special Volumes
... in the source waveshape; and surface-consistent amplitude processing and divergence corrections remove amplitude variations not relevant to the subsurface...
1977
Paleotopography controls weathering of Cambrian-age profiles beneath the Great Unconformity, St. Francois Mountains, SE Missouri, U.S.A.
Katie J. Pevehouse, Dustin E. Sweet, Branimir Šegvić, Charles C. Monson, Giovanni Zanoni, Stephen Marshak, Melanie A. Barnes, Katie J. Pevehouse, Dustin E. Sweet, Branimir Segvic, Charles C. Monson, Giovanni Zanoni, Stephen Marshak, Melanie A. Barnes
Journal of Sedimentary Research (SEPM)
... the amount of elemental loss or gain during weathering versus depth. Plots use Al as the immobile element, similar to Driese et al. (2007). Negative values...
2020
Geophysical Techniques Used in Uranium Exploration
P.A. Meyer
Rocky Mountain Association of Geologists
... of thorium and potassium. Corrections that enter into the calculation of percent uranium from drill hole logging are the correction factors for air, water...
1977
Role of Organic Acids in Controlling Mineral Scale Formation During Hydraulic Fracturing at the Marcellus Shale Energy and Environmental Laboratory (MSEEL) Site
J. Alexandra Hakala, Thai Phan, Mengling Stuckman, Harry M. Edenborn, Christina L. Lopano
Unconventional Resources Technology Conference (URTEC)
... the accuracy, reliability, or timeliness of any information herein. All information is the responsibility of, and, is subject to corrections...
2017
Deposition of Free Oil by Sediments Settling in Sea Water
O. A. Poirier , George A. Thiel
AAPG Bulletin
... the amount FOOTNOTE *. Corrections were made for weight calculations of hydrous salts. FOOTNOTE 4. W. W. Rubey, "Lithologic Studies of Fine-Grained...
1941
Remote surface mapping using orthophotos and geologic maps draped over digital elevation models: Application to the Sheep Mountain anticline, Wyoming
Subhotosh Banerjee and Shankar Mitra
AAPG Bulletin
... of weathering and erosion in the area. Figure 6. (a) Three-dimensional view of flatirons, with locations of six points on the dip slope. Field...
2004
ABSTRACT: Chemostratigraphy Analysis of the Albian Age Sequence Orange Basin, Offshore South Africa, by Ngek, Nofu C.; #90142 (2012)
Search and Discovery.com
2012
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
... and the converted wave arrival from the base of the weathering layer. Receiver functions are commonly used in global seismology experiments to infer crustal...
2013
Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)
Kristof De Meersman and Marcelo Roizman
Search and Discovery.com
... and the converted wave arrival from the base of the weathering layer. Receiver functions are commonly used in global seismology experiments to infer crustal...
2013
Origin of the Rocky Mountain Trench in Southeastern British Columbia by Cenozoic Block Faulting
Thomas L. Thompson
CSPG Bulletin
... to extend infinitely in the direction perpendicular to the profile, the error will minimize the depth of fill. Calculations of theoretical gravity...
1962
Siderite Concretions from Nonmarine Shales (Westphalian A) of the Pennines, England: Controls on Their Growth and Composition
Q.J. Fisher , R. Raiswell , J.D. Marshall
Journal of Sedimentary Research (SEPM)
...). These porosity estimates have been combined with shale compaction models, such as those of Baldwin and Butler (1985), to derive an estimate for the depth of cement...
1998
Application of Seismography to Geological Problems
Eugene McDermott
AAPG Bulletin
... alluvial sediments the velocity increases with depth as a result of overburdening. Such a gradual change of velocity has no practical value...
1931
Ancient Quartzite Boulders in the Red Valley Area of the Northern Black Hills, South Dakota and Wyoming
William C.B. Gates, Perry H. Rahn
Rocky Mountain Association of Geologists
... virtually unaffected by weathering processes which disintegrate the friable sandstone. Joint bounded quartzite boulders accumulated at the base...
1986
Abstract: Potential of Impact-Structure Plays in Continental Southeast Asia (Paper 9)
H. D. Tjia
Geological Society of Malaysia (GSM)
... density of terrestrial impact craters on the Earth's surface is attributable to reworking by exogenous processes of weathering, erosion, organic activity...
2003
Geomorphology of Reef Complexes: ABSTRACT
Arthur L. Bloom
AAPG Bulletin
... being dissolved away. The permeability of reef frameworks is the major reason for their durability under subaerial tro ical weathering. Although...
1970
Abstract: Elastic Finite-difference Modeling for Testing Acquisition and Processing Methods; #90187 (2014)
Peter Manning, Joe Wong, and David Henley
Search and Discovery.com
... to statics corrections and migration for imaging the deeper reflectors. Figure 1: A geology model with three weathering pockets near the source point...
2014
Model Sensitivity of the Late Ordovician Climate to Atmospheric pCO2
Mark T. Gibbs, Eric J. Barron, Thomas J. Crowley, Lee R. Kump
Pacific Section SEPM
... and Kump, 1994). Here we present calculations of possible Late Ordovician global bicarbonate fluxes from chemical weathering for the different pC02...
1995
The Effect of Mineral Composition on Shale Oil Recovery
Andrew Fakhry, Todd Hoffman
Unconventional Resources Technology Conference (URTEC)
... herein. All information is the responsibility of, and, is subject to corrections by the author(s). Any person or entity that relies on any information...
2018
ABSTRACT: Detection of Natural Weathering from Profiles of Woodford Shale and Upper McAlester Coal in Oklahoma
H.B. Lo and B.J. Cardott
The Society for Organic Petrology (TSOP)
...ABSTRACT: Detection of Natural Weathering from Profiles of Woodford Shale and Upper McAlester Coal in Oklahoma H.B. Lo and B.J. Cardott 10th Annual...
1993