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The AAPG/Datapages Combined Publications Database
Showing 31,840 Results. Searched 200,293 documents.
Guidelines to Prevention of Slope Failure Related Disasters in Granitic Bedrock Areas of Malaysia
J. K. Raj
Geological Society of Malaysia (GSM)
... layer of weathered materials over bedrock is found (Raj, 2000a). These failures occurred during, or following, periods of exceptionally, intense...
2003
Stratigraphy and Paleoenvironments of Cretaceous Rocks, Mitchell Quadrangle, Oregon
W. D. Wilkinson , Keith F. Oles
AAPG Bulletin
....; for tongue 2 (removing the effects of the Mitchell fault), N. 70° E. These quasi-accurate results indicate a transport direction and slope toward...
1968
Recognizing Non-Steady-State Weathering Conditions In Ancient Submarine Fan Systems: Correcting For K-Metasomatism Reveals A Late Cretaceous Non-Steady-State Weathering Regime, Point Loma Formation, Southwestern California, U.S.A.
Marcelo Azevedo, Jason R. Parizek, Heather N. Webb, Kristen N. Dennis, Matthew T. Dorsey, Nicole C. Fenton, Craig M. Hall, Gary H. Girty
Journal of Sedimentary Research (SEPM)
... and shallow burial were subjected to a K-metasomatic event. After correcting for introduction of K+, and consideration of the effects of hydraulic...
2017
Field Characterization of Rocks in the Monterey Formation Along the Coast Near Santa Barbara, California
Caroline M. Isaacs
Pacific Section of AAPG
...–in particular, cohesiveness, overall hardness, and brittleness decrease. Carbonate content has comparatively few effects–cohesiveness decreases where...
1981
Some Features of the Surficial Geology of the Fort Macleod Region of Alberta
A. Mac S. Stalker
CSPG Special Publications
... retreat of the ice, and it probably consists largely of outwash from the glacier. It corresponds to the coarse, silt layer of the first varve...
1957
ABSTRACT: The Effects of Mechanical Stratigraphy on the Development of Fault-Propagation Folds in Physical Models, by Christopher T. McLain and John H. Spang; #90906(2001)
Search and Discovery.com
2001
Geologic Interpretation of Argillaceous Sediments: Part II. Clay Petrology of Upper Mississippian-Lower Pennsylvanian Sediments of Central United States
Charles E. Weaver
AAPG Bulletin
... of montmorillonite which they contain. As stated before, the Springer contains a 12-A montmorillonite and contains one layer of water. When weathered...
1958
Groundwater exploration using vertical electrical sounding and 2D electrical resistivity tomography in shale formation: A case study of Sabongida, Plateau State, North Central Nigeria
Solomon Nehemiah Yusuf, Hilnan Christopher Drenkat, Charity Mamza Azi
Geological Society of Malaysia (GSM)
...) measurements were taken. The resistivity values, layer thickness, and depth of the VES survey data collected from various places within the research region were...
2022
Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 5Acoustic Velocity Core Studies
R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde
AAPG Special Volumes
... recovered from the permafrost zone; they were obtained frozen, and the velocities were measured in that recovered state. At 800 psi (5.5 MPa) confining...
2009
Cut-Slope Instability and Associated Sub-Watershed Development: Carenage/Chaguaramas, Trinidad
Stanley Rich Wharton
Geological Society of Trinidad & Tobago
... soli and weathered rock layer, while rock slides originated within the more competent weathered rock and slightly weathered rock layer, along foliation...
1991
Impact of Seasonal Changes on the Formation and Accumulation of Soft Siliceous Sediments on the Discharge Apron of Geysir, Iceland
Brian Jones, Robin W. Renaut
Journal of Sedimentary Research (SEPM)
... with a central feeder vent that is ~ 1 m in diameter and at least 23 m deep (Pasvanoglu et al. 2000). The vent pool is surrounded by a weathered rim, formed...
2010
Magnetics for Hydrocarbon Exploration
Christine Fichler, Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... dyke intrusion high H layer 1,000m 3 (red) from just a very few 0 N [km] structures in the sediments 1 km 2,000m 4 are the ‘singers in the front...
2016
Abstract: Seismic Wave Attenuation due to Scattering and Leaky Mode Mechanisms in Heterogeneous Reservoirs; #90171 (2013)
Jun-Wei Huang, Gilles Bellefleur, and Bernd Milkereit
Search and Discovery.com
... to the occurrence of gas hydrates in permafrost region. In the Mallik area, located in the Northwest Territory of Canada, the high velocities due to hydrate...
2013
Syntactic Simulation of 1-D Sedimentary Sequences in a Coal-Bearing Succession Using a Stochastic Context-Free Grammar: DISCUSSION
W. A. Read
Journal of Sedimentary Research (SEPM)
... (eastward). These wedges interrupt the regular "layer-cake" succession of high-frequency coal bearing sequences ("short" allocycles) found further west...
1997
ABSTRACTS: AAPG HEDBERG CONFERENCE “Near-Surface Hydrocarbon Migration: Mechanisms and Seepage Rates” April 7-10, 2002, Vancouver, BC, Canada, #90006 (2002)
Search and Discovery.com
2002
Marine Economic Deposits
Judith Totman Parrish, Eric J. Barron
Special Publications of SEPM
...; Arthur et al., l984b)? Climatic effects might be local or contradictory. For example, Prell et al. (1980) concluded that the West Australia Current...
1986
Applications of Shallow High-Resolution Seismic Reflection to Environmental Problems
Richard D. Miller, William E. Doll, Carlene Merey, William E. Black
Environmental Geosciences (DEG)
... located a topographic low in a 30-m deep clay layer at a Superfund site in central California. The erosional edge of a 30-m deep clay layer...
1994
THE IMPORTANCE OF GEOLOGICAL STUDIES IN CONSTRUCTION PROJECTS; LA IMPORTANCIA DE ESTUDIOS GEOLOGICOS EN PROYECTOS DE CONSTRUCCION
Humberto Espinal V.
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... and fractured. With respect to the Las Brisas and Las Mercedes formations, and as a general rule in tropical countries, the effects of weathering are evident...
1965
Integrated geophysical and chemical study in the lower subbasin of Gadilam River, Tamilnadu, India
M. V. Prasanna, S. Chidambaram, S. Pethaperumal, K. Srinivasamoorthy, A. John Peter, P. Anandhan, M. Vasanthavigar
Environmental Geosciences (DEG)
....: Strassbourg, European Association for Exploration in Geophysics, p. 49.Craig, E., and M. P. Anderson, 1979, The effects of urbanization of groundwater...
2008
Compaction of Lithic Sands: Experimental Results and Applications (1)
EDWARD D. PITTMAN and RICHARD E. LARESE
AAPG Bulletin
.... Burns, L. K., and F. G. Ethridge, 1979, Petrology and diagnostic effects of lithic sandstones: Paleocene and Eocene Umpqua Formation, southwest...
1991
Calibration of PS Shear Wave Anisotropy in a Mississippi Lime Play, North-Central Oklahoma
Scott Singleton, Shihong Chi, Lisa Sanford, Paul Constance
Unconventional Resources Technology Conference (URTEC)
... the anisotropic effects of each stratigraphic layer, whose effects are additive with depth (Winterstein and Meadows, 1991; Gaiser, 1999). Thus if the maximum...
2016
A Novel Approach for Recognition and Quantification of Hydrocarbon Migration Effects in Shale-Sandstone Sequences
Detlev Leythaeuser , Andrew Mackenzie , Rainer G. Schaefer , Malvin Bjoroy
AAPG Bulletin
...A Novel Approach for Recognition and Quantification of Hydrocarbon Migration Effects in Shale-Sandstone Sequences Detlev Leythaeuser , Andrew...
1984
Hydrodynamics of Fluid Injection: ABSTRACT
P. A. Witherspoon, S. P. Neuman
AAPG Bulletin
... heretofore been available for transient flow in multilayered porous systems has recently been developed. The theory predicts the effects of injecting fluids...
1971
Hydrocarbon migration detected by regional temperature field variations, Beaufort-Mackenzie Basin, Canada
Zhuoheng Chen, Kirk G. Osadetz, Dale R. Issler, Stephen E. Grasby
AAPG Bulletin
... in the temperature field may therefore be a useful exploration technique. Allen, D. M., F. A. Michel, and A. S. Judge, 1988, The permafrost regime...
2008
Soils and Vegetation of the Markagunt Plateau, Southwestern Utah
David H. Crockett, Devon O. Nelson
Utah Geological Association
... soils are residual, the morphology is made up of a surface layer and a thin clay accumulation layer (less than 2 inches thick) over well-weathered...
1963