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The AAPG/Datapages Combined Publications Database
Showing 10,054 Results. Searched 197,434 documents.
The Overthrust Belt Salient of the Cordilleran Fold Belt, Western Wyoming-Southeastern Idaho-Northeastern Utah
D. L. Blackstone Jr.
Wyoming Geological Association
... underlies an area west and southwest of the Great Salt Lake (Fig. 3). The allochthon is displaced downward to the west on the Wasatch front fault...
1977
NeoproterozoicÂ…Lower Cambrian Sequence Stratigraphy, Eastern Mojave Desert, California: Implications for Base of the Sauk Sequence, Craton-Margin Hinge Zone, and Evolution of the Cordilleran Continental Margin
Joseph Bahde, Christine Barretta, Laura Cederstrand, Michael Flaugher, Robert Heller, Michael Irwin, Christopher Swartz, Scott Traub, John Cooper, Christopher Fedo
Pacific Section SEPM
... of units from the top downward (stratigraphic truncation and resulting toplap). CRATON MM CRATON-MARGIN HINGE ZONE PM KM IMPLICATIONS FOR EARLY...
1997
Stylolite Development Post-Dates Rock Induration
H. V. Dunnington
Journal of Sedimentary Research (SEPM)
... as on vertical column surfaces, and should be absent from downward projecting columns (presumably to be explained as solution pit fillings in this account...
1954
Middle Ordovician Limestones in Central Kansas
Hall Taylor
AAPG Bulletin
... downward, these zones are designated as (1) upper limestone, (2) upper cherty member, (3) middle limestone, (4) middle cherty member, (5) lower...
1947
Geology of Northern Luzon, Philippines
Edward F. Durkee , Selmer L. Pederson
AAPG Bulletin
... and the Baggao embayment. The basal part of the limestone, which migrates downward across the time lines north of the type area toward the Baggao embayment...
1961
Fluvial and Eolian Sandstone Bodies in Colorado Plateau
Wm. Lee Stokes
AAPG Special Volumes
... the Plateau and Basin-Range provinces of Arizona is an ancient feature that dates at least to the early Mesozoic. It may be a continuation or branch...
1961
Stratigraphic Traps in a Valley Fill, Western Nebraska
J. C. Harms
AAPG Bulletin
... in the upper part of the shaly unit, but both the size and number of silt grains decrease downward. Standard size-analysis techniques were not used because...
1966
Hierarchical kink band development in the Appalachian Plateau decollement sheet
Paul Gillespie, Judith van Hagen, Scott Wessels, and Damian Lynch
AAPG Bulletin
... outcrop of a large kink band does not, however, have sufficient vertical extent to show the downward continuation of the structure, and therefore...
2015
Using polygonal layer-bound faults as tools to delimit clastic reservoirs in the Levant Basin offshore Lebanon
Ramadan Ghalayini, and Celine Eid
AAPG Bulletin
... margin onshore and the alignment of the river mouths with the canyons point that the latter are most probably river associated, being the continuation...
2020
Computerized Magneto-Electric (ME) Exploration: With Case History: The Giddings Field, Lee County, Texas
S. J. Pirson
Bulletin of South Texas Geological Society
... of the doughnut funneling the ET currents downward. The ET current funnel is not a chimney of constant cross-section as previously conceived; actually, it has...
1978
K/Ar Dating of Time of Gas Emplacement in Rotliegendes Sandstone, Netherlands
Mingchou Lee, James L. Aronson, Samuel M. Savin
AAPG Bulletin
... the clays occurred. In each reservoir, the intensity of diagenetic alteration increased downward within a relatively thin (15 to 175-m or 50...
1985
The Relation of Geohydrologic Setting to the Potential for Ground-Water Contamination in Utah
Joseph S. Gates, Geoffrey W. Freethey
Utah Geological Association
..., they are not present to impede infiltration and downward movement of water. Because hydraulic head decreases with depth in recharge areas, the hydraulic...
1989
Biogenic Structures Produced by Sand-Swimming Snakes: A Modern Analog for Interpreting Continental Ichnofossils
Daniel I. Hembree, Stephen T. Hasiotis
Journal of Sedimentary Research (SEPM)
... produced a number of biogenic structures including (1) cone-shaped, downward-tapering features; (2) straight, vertical tubes; (3) elongate, sinuous...
2007
Role of Gravity, Temperature Gradients, and Ion-Exchange Media in Formation of Fossil Brines
P. C. Mangelsdorf, Jr. , F. T. Manheim , J. M. T. M. Gieskes
AAPG Bulletin
... particles such as clays would reverse this tendency and cause pumping of salt downward. A model calculation using literature data for the thermal...
1970
The Effect of Gravity on the Shape and Direction of Vertical Hydraulic Fractures
Saeed Salimzadeh
Australian Petroleum Production & Exploration Association (APPEA) Journal
... between the hydrostatic pressure inside the fracture and the applied stresses was violated, and thus, the fracture preferably grew downward. In case...
2020
Effect of Hydrodynamic Conditions on Oil and Gas Pools
Yu. P. Gattenberger
Petroleum Geology: A Digest of Russian Literature
... to the height of the pool. 1-Low-porosity rock - shield; 2-volume of pool with downward flow of water; 3-volume of pool with hydrostatic conditions...
1973
Slumped, Delta-Front Reservoir Sandstone in the Eocene Yegua Formation, East Sour Lake Field, Southeast Texas
Robert R. Berg
GCAGS Transactions
... increasing dip downward. The sandstone has some preserved ripple structure and abundant carbonaceous material that suggest the sands were deposited...
1986
Hydrodynamics and Overpressuring in the Jeanne D'Arc Basin, Offshore Newfoundland, Canada: Possible Implications for Hydrocarbon Exploration: DISCUSSION
Dale R. Issler
CSPG Bulletin
... is largely vertical and fault-controlled: flow is vertically-upward from geopressured zones and vertically-downward through sediments overlying...
1994
Calcite and Aragonite Phenomena Precipitated by Organic Decay in High Lime Concentrate Brines
H. J. McCunn
Journal of Sedimentary Research (SEPM)
.... As the masses grew in size gravity caused them to give way and they were drawn downward into long hollow filaments of spar. Figure 3 shows one...
1972
Carboniferous Stratigraphy and Structural Geology of New Brunswick, Canada
William Carruthers Gussow
AAPG Bulletin
... are found and a dark gray to black petroliferous limestone, several feet thick, was found on Ward Creek near the Ward Creek fault. Besides the downward...
1953
Stretching of the North American Plate By a Now Dormant Atlantic Spreading Centre
J.Wm. Kerr
CSPG Special Publications
... that extends along the axis of the Mid-Atlantic Ridge and its continuation northward as the Spitzbergen Fracture Zone and Nansen-Gakkel Ridge (Heezen...
1981
Scolecodonts: I. Descriptive Terminology and Revision of Systematic Nomenclature; II. Lectotypes, New Names for Homonyms, Index of Species
J. Jansonius, J. H. Craig
CSPG Bulletin
.... Specimens range from 1.0 mm to 2.1 mm in length. The hooked-shaped fang is large and is a continuation of the heavy outer margins, which are thickened...
1971
Formation of Southwest Pacific Island Arc-Trench and Mountain Systems: Plate or Global-Vertical Tectonics?
Wolfgang Krebs
AAPG Bulletin
... as a continental continuation of the New Britain arc. Beneath the Bismarck basin the upper crustal material with seismic velocities of 5.8-6.5 km/sec...
1975
Coastal Geology of Mississippi, Alabama and Adjacent Louisiana Areas: Field Trip
Ervin G. Otvos
New Orleans Geological Society
..., Mississippi Fig. 12a 18 Scarp lineaments, south Mobile County, Alabama 12b 18 Aerial photo, fault (?) scarp in continuation of Citronelle escarpment, south...
1982
Geology of Portions of Sunwapta and Southesk Map-Areas: Jasper National Park, Alberta, Canada
Richard D. Hughes
CSPG Special Publications
... on the southern continuation of Tangle Ridge. Plate XI. Diadem Peak (11,060 feet). This photograph shows alluvial fans and hanging valleys...
1955