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The AAPG/Datapages Combined Publications Database
Showing 5,657 Results. Searched 200,619 documents.
Lateral Displacement of Upper Miocene Rocks . . . Along the San Andreas Fault in Central California
O. F. Huffman
Pacific Section of AAPG
..., about 150 miles (240 km) to the northwest, was probably the only such basement area exposed at the time; the granitic and metamorphic bedrock here...
1977
Detecting Subsurface Voids Using the Microgravity Method A Case Study from Kuala Lipis, Pahang
Ahmad Tajuddin Hj. Ibrahim, Che Noorliza Lat
Geological Society of Malaysia (GSM)
... gravity lows above their localities. The gravity pattern is also related to subsurface topography of the bedrock. A borehole drilled earlier indicated...
2004
Presalt Reservoir Analogs: Lacustrine Microbialites Fed by Shore Zone Hot Springs, Lakeside Utah; #51508 (2018)
Peter Homewood, Michael Vanden Berg, Monique Mettraux, Anneleen Foubert, Jean-Charles Schaegis, Genevieve Atwood
Search and Discovery.com
..., 2006). Springs along the shoreline were fed from conduits flowing through an older network karst in Mississippian Great Blue Limestone bedrock. Alkaline...
2018
The Mineral Endowment of Saskatchewan
F. Simpson
Saskatchewan Geological Society
... they appear at the bedrock surface in central Saskatchewan. The bituminous shales lie beneath a drift cover of variable thickness and are exposed in few...
1973
Flow substrate interactions in aggrading and degrading submarine channels
Anjali M. Fernandes, James Buttles, David Mohrig
Journal of Sedimentary Research (SEPM)
... power: bedrock river incision process and form, in Tinkler, K.J., and Wohl, E.E., eds., Rivers over Rock: Fluvial Processes in Bedrock Channels...
2020
Some Cenozoic Structural Basins in the Great Salt Lake Area, Utah, Indicated by Regional Gravity Surveys
Kenneth L. Cook, Joseph W. Berg, Jr., William W. Johnson, Robert T. Novotny
Utah Geological Association
... or Paleozoic bedrock areas near the level of the Great Salt Lake. The gravity value is said to decrease when the negative number becomes more negative...
1966
Geochemical dispersal in till: Waterford area, New Brunswick
M. D. Munn, B. E. Broster, A. G. Pronk
Atlantic Geology
..., 1996 Geochemical analyses of tills in the Waterford area indicate that till matrix closely reflects underlying bedrock. This is likely due to: (1...
1996
Rift Sedimentation
Gail M. Ashley, Robin W. Renaut
Special Publications of SEPM
... understanding of rift sedimentology. From our perspective these include (1) the rift sedimentology From our perspective these include 1 the role of bedrock...
2002
The application of seismic shothole drillers’ log data to petroleum exploration and development
I. Rod Smith
CSPG Bulletin
..., A. and Juhlin, C. 2006. Seismic tomography studies of cover thickness and near-surface bedrock velocities. Geophysics, v. 71, p. U77–U84. Best, M.E., Levson...
2012
Stratigraphy and Depositional Environments of the Cincinnati Group of Southwestern Ohio
Gregory A. Schumacher, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio Douglas L. Shrake, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio E. Mac Swinford, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio C. Scott Brockman, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio Lawrence H. Wickstrom, Ohio Department of Natural Resources, Division of Geological Survey, Fountain Square, Bldg. B, Columbus, Ohio
Ohio Geological Society
..., Silurian, Devonian, and Mississippian bedrock exposed in southwestern Ohio was deposited in a range of environments which include a shallow...
1987
Surficial sediments and post-glacial relative sea-level history, Hamilton Sound, Newfoundland
J. Shaw, K. A. Edwardson
Atlantic Geology
... are recognised: (1) bedrock (acoustic basement); (2) a unit with incoherent reflections, interpreted as Late Wisconsinan glacial diamicton or till, which...
1994
Outburst Flood Sedimentation on the Proglacial Tuttle Canyon Alluvial Fan, Owens Valley, California, U.S.A.
Terence C. Blair
Journal of Sedimentary Research (SEPM)
... (to 4275 m) catchment. Moraines of the catchment and upper fan (Facies A) comprise unsorted sand to blocks derived from the granitic bedrock. The main...
2001
Controls On the Genesis, Sedimentary Architecture, and Preservation Potential of Dryland Alluvial Successions In Stable Continental Interiors: Insights from the Incising Modder River, South Africa
Stephen Tooth, P. John Hancox, Dion Brandt, Terence S. McCarthy, Zenobia Jacobs, Stephan Woodborne
Journal of Sedimentary Research (SEPM)
... and donga incision into bedrock appears to represent a new phase of sediment evacuation and valley deepening. Comparison with other incising dryland...
2013
Sedimentary Architecture and Dynamic Stratigraphy of a Marine Ice-Contact System
Ida Lonne , W. Nemec , L.H. Blikra , T. Lauritsen
Journal of Sedimentary Research (SEPM)
... submarine fan, while the glacier front was thinning and grinding to a halt on a bedrock threshold. The ice flux declined, but fluctuated...
2001
Mixed Geothermal and Shallow Meteoric Origin of Opal and Calcite Beds in Pliocene–Lower Pleistocene Axial–Fluvial Strata, Southern Rio Grande Rift, Rincon Hills, New Mexico, U.S.A.
Greg H. Mack, Matthew C. Jones, Neil J. Tabor, Frank C. Ramos, Sean R. Scott, James C. Witcher
Journal of Sedimentary Research (SEPM)
... (0.71301 to 0.71724) of the opal beds are consistent with precipitation from an advecting, high-temperature geothermal fluid that flowed through bedrock...
2012
Deep Disposal Systems for Radioactive Wastes
Walter G. Belter
AAPG Special Volumes
... salt and crystalline bedrock for highly radioactive wastes. The Atomic Energy Commission has adopted a regulatory policy which requires that all...
1972
Sedimentological Evolution of North Sound, Grand Cayman--A Freshwater to Marine Carbonate Succession Driven by Holocene Sea-Level Rise
Lisa Mackinnon, Brian Jones
Journal of Sedimentary Research (SEPM)
... and Pleistocene limestone bedrock. At that time, a sill along the northern margin isolated the area from the open ocean. Sedimentation from 5,000 to 3,800 yr...
2001
A COMPARISON OF SURFICIAL GEOCHEMICAL METHODS OF EXPLORATION FOR PLATINUM GROUP ELEMENTS IN CANADA
W.B. COKER, C.E. DUNN, G.E.M. HALL, A. N. RENCZ, R.N.W. DILABIO, W.A. SPIRITO, AND J.E. CAMPBEL
Saskatchewan Geological Society
... at each site were air-dried for several weeks, and then the foliage was separated from the twigs. Representative samples of the bedrock...
1990
Environmental Geology in Urban Development
Fateh Chand
Geological Society of Malaysia (GSM)
... high-risk ground, such as hilly terrain, areas with karstic bedrock, ex-mining land, peat and soft sediment areas. The occurrences of geohazards...
1999
Dates Derived from Quaternary Strata in the Vicinity of Canyonlands National Park
Norma E. Biggar, Janet A. Adams
Four Corners Geological Society
... material occurs in open expanses, and on the leeward side of bedrock cliffs and knobs. During regional studies for a proposed nuclear waste...
1987
Geochemical Variations in an Alpine Lake and Watershed Underlain by Siliciclastic Bedrock, Uinta Mountains, Utah
John W. Christensen Jr., Paul W. Jewell
Utah Geological Association
...Geochemical Variations in an Alpine Lake and Watershed Underlain by Siliciclastic Bedrock, Uinta Mountains, Utah John W. Christensen Jr., Paul W...
1998
Field Conference: Tertiary Sedimentology and Depositional History of the Santa Monica Mountains of California; Stratigraphy and Sedimentary Structures of the Paleocene Successions in the West-Central Santa Monica Mountains, Los Angeles County, California; Preliminary Petrographic Study of Coarse-Grained Paleocene Sandstones of the Southern Transverse and Northern Peninsular Ranges, California
A. Eugene Fritsche, Ivan P. Colburn, Pedro C. Ramirez
Pacific Section SEPM
... Monica Mountains, Campbell and others (1966) developed interpretations on the structural character of the Tertiary and Cretaceous bedrock terrane from...
1996
Terrace Development in the Shoshone River Valley Near Powell, Wyoming and Speculations Concerning the Sub-Powell Terrace
Dale F. Ritter, Marvin E. Kauffman
Wyoming Geological Association
... deposited at the same time that the underlying bedrock was eroded by the laterally migrating river. This is a very important distinction because...
1983
Saturated hydraulic conductivity (Ks) of earth materials in a weathering profile over the Kuantan Basalt, Pahang, Malaysia
John Kuna Raj
Geological Society of Malaysia (GSM)
..., pedological soil (zone I with sub-zones IA, IB and IC) comprising soft to stiff, brown clays and the bottom bedrock (zone III) being an outcrop of vesicular...
2021
Critical Role for Geologists in Resource and Environmental Management
L. F. Brown, Jr.
AAPG Bulletin
.... The geologist can translate his knowledge of natural change, physical processes, sedimentary facies, or ancient bedrock into parameters involving land...
1974