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The AAPG/Datapages Combined Publications Database
Showing 11,101 Results. Searched 200,685 documents.
ABSTRACT: Mass Movement Hazard Assessment in Zacatecas State, Mexico
Luis D. Barajas Nigoche, Juan P. Moreno Ruiz
GCAGS Transactions
... conditions prevailing. In this regard, it should be noted that there are variations of elevation in the valley over the plateau of about 1000 m...
2011
Structural architecture of the Farnsworth oil unit: Implications for geologic storage of carbon dioxide
Jingyao Meng, Jack C. Pashin, and Peter E. Clark
Environmental Geosciences (DEG)
... and airborne monitoring and includes the deployment of low-flying unmanned aerial vehicles (UAVs) for near-surface detection of CO2 and CH4 plumes...
2017
Weathered Gravels and Sands of Oregon and Washington
Victor T. Allen, Robert L. Nichols
Journal of Sedimentary Research (SEPM)
... are believed to be profiles of weathering developed at or near the surface and are derived mainly from quartz-free fragments, chiefly from basalts...
1946
VITRINITE REFLECTANCE OF TERTIARY COAL ACROSS THE SURFACE OF THE NORTHERN POWDER RIVER BASIN, WYOMING-MONTANA
Mark J. Pawlewicz, Charles E. Barker
Montana Geological Society
... 1989 341 352 Vitrinite reflectance measurements were made on 227 surface and near surface samples of Tertiary coals from the northern Powder...
1989
Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)
Saul E. Guevara, Gary F. Margrave, and William M. Agudelo
Search and Discovery.com
...Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014) Saul E. Guevara, Gary F. Margrave, and William M...
2014
Influences of Modern Pedogenesis On Paleoclimate Estimates from Pennsylvanian and Permian Paleosols, Southeast Ohio, U.S.A.
Sarah J. Kogler, Daniel I. Hembree
Journal of Sedimentary Research (SEPM)
... using molecular weathering ratios, the relative concentrations of major oxides in near-surface samples (Sheldon et al. 2002). This approach to outcrop...
2019
Prospecting for Iron Ore in the Bedong Area, Kedah Using Geophysical Techniques
C. Y. Lee, I. H. Abdoul-Fatah
Geological Society of Malaysia (GSM)
... with pegmatites. The primary ore was believed to consist of both hematite and magnetite. Surface weathering converted most of the magnetite to hematite...
2002
Preliminary Results of Using Hydrogeologic Mapping to Delineate Protection Areas Around Sheep Spring, Washington County, Utah
Mark E. Jensen, Mike Lowe
Utah Geological Association
... table has been declining in elevation through time. The older tufa was first deposited at the surface, then the underlying rocks were removed from...
1992
Biochemical and mechanical dispersion mechanisms of Au and As in areas covered by Permian glacial sediments and aeolian sand
Walid Salama, Ravi Anand, Tsing Bohu
Petroleum Exploration Society of Australia (PESA)
... media for exploration. The development of authigenic ferruginous pisoliths near-surface in the aeolian sands and Permian sediments identifies proximal...
2019
ABSTRACT: The Petrography of Ancient Organic Matter in Black Shale Weathering Profiles; #90113 (2010)
Lehne E. Slater and S. M. Rimmer
Search and Discovery.com
...ABSTRACT: The Petrography of Ancient Organic Matter in Black Shale Weathering Profiles; #90113 (2010) Lehne E. Slater and S. M. Rimmer...
2009
Organic Matter in Black Slate Shows Oxidative Degradation Within Only a Few Decades
Cornelius Fischer, Volker Karius, Volker Thiel
Journal of Sedimentary Research (SEPM)
... exposed to surface weathering are A) light colored near the edges and B) sometimes there is a nearly complete bleaching. Figure 3. A weathered roofing slate...
2007
Application of RGB Color Quantification to Determine Rock Properties, Facies Distribution and Analog to Mahakam Producing Reservoirs, Case Study: Virtual Outcrop Model Palaran Area, Samarinda.
Bima Fatkhurroyan, Argo Wuryanto, Firdaus Tampilang, I-Made Putra, Dwi Charisah Andriyani, Ridwan Bima Arya
Indonesian Petroleum Association
... weathering and faster growth of vegetation. These surface processes, which mask the geological phenomena, for instance rock facies organization, grain size...
2017
Landslides in Weathered Granitic Rocks in Japan and Malaysia
Masahiro Chigira, Zainab Mohamad, Lim Choun Sian, Ibrahim Komoo
Geological Society of Malaysia (GSM)
... in 1972. They found that the weathering front of the granite was abrupt and that water could collect among the loose surface rock, and they attributed...
2011
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)
... at the northeast corner of the Ozark Plateau in the central United States. We distinguish the signature of surface weathering and soil formation from...
2020
Surficial Geology of the Houston Area: An Offlapping Series of Pleistocene (& Pliocene?) Highest-Sealevel Fluviodeltaic Sequences
DeWitt C. Van Siclen
GCAGS Transactions
... Siclen 1991 Vol. 41 (1991), Most near-surface sediments around Houston were deposited by the Brazos and Trinity rivers during Pleistocene interglacial...
1991
An Innovative Soil Geochemical Tool for Focused Hydrocarbon Exploration and Regional or Local Prospectivity
Mark Fedikow
Search and Discovery.com
... their concentrations in near-surface soils subsequent to a new and innovative approach to geochemical exploration. This technique is referred to as Mobile Metal Ions...
Unknown
An Innovative Soil Geochemical Tool for Focused Hydrocarbon Exploration and Regional or Local Prospectivity
Mark Fedikow
Search and Discovery.com
... their concentrations in near-surface soils subsequent to a new and innovative approach to geochemical exploration. This technique is referred to as Mobile Metal Ions...
Unknown
Physical and Chemical Changes in Sediments After Deposition
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... in sediments between deposition and final lithification, under temperatures and pressures associated with near-surface conditions in the ' lithosphere...
1942
Introduction to the Geology of the Permian Basin of West Texas and Southeastern New Mexico
John M. Hills, Ronald K. Deford, George R. Gibson, S. C. Giesey, Cooper Hyde, F. H. MeGuigan
West Texas Geological Society
... it. These acids help to dissolve rocks. Insects and animals that move about in the soil and on the surface aid weathering by exposing fresh surfaces...
1944
Post-Depositional Alteration of the Carbonate-Fluorapatite Phase of Moroccan Phosphates
J. M. Mcarthur
Special Publications of SEPM
... depositional weathering and interaction with ground water removes Na Sr CO and SO from the structure fluorapatite The stability of carbonate fluorapatite...
1980
Circulation of Saline Ground Water in Carbonate Platforms--A Review and Case Study from the Bahamas: Chapter 9: DIAGENESIS AND BASIN HYDRODYNAMICS
Fiona F. Whitaker, Peter L. Smart
AAPG Special Volumes
... in sea-surface elevation caused by tides, winds or ocean currents, or by differences in water density related to salinity and/or temperature. Buoyant...
1993
Climatic and Tectonic Controls on Pedogenesis and Landscape Evolution in a Quaternary Intramontane Basin (Val d’Agri Basin, Southern Apennines, Italy)
Irene Zembo, Luca Trombino, Riccardo Bersezio, Fabrizio Felletti, Monica Dapiaggi
Journal of Sedimentary Research (SEPM)
... the present-day elevation of 595 and ~ 545 m a.s.l.; Fig. 3A). East of the Grumentina River (Fig. 2), surface S4 truncates the stratigraphic...
2012
A Petrographic Study of Silcrete from Inland Australia
Stephen H. Watts
Journal of Sedimentary Research (SEPM)
... phase of silcrete development and as a result of continued, post-silicification near-surface weathering. Slides of specimens collected from well exposed...
1978
On a Pleistocene Gravel Beach Sequence Exposed in Coastal Plain Tin Mines, Phuket Island, Thailand
G. A. M. Kruse
Geological Society of Malaysia (GSM)
.... A succession with a quartz pebble conglomerate overlying a bedrock surface with animal borings, exposed in coastal plain tin mines on Phuket...
1986
Study of Structure of Suwa Basin Near Kyoto, Japan, by Torsion Balance
M. Matsuyama, Y. Fujita, H. Higashinaka
AAPG Bulletin
...Study of Structure of Suwa Basin Near Kyoto, Japan, by Torsion Balance M. Matsuyama, Y. Fujita, H. Higashinaka 1935 58 63 19 1. (January) The origin...
1935