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Showing 26,339 Results. Searched 195,689 documents.
Chapter 26: Stratigraphic and Depositional Architecture of a Slope Channel System: Isaac Channel 5, Castle Creek South, Isaac Formation, Windermere Supergroup, British Columbia, Canada
Ernesto Schwarz, R. W. C. Arnott
AAPG Special Volumes
... textures and structures are well preserved. Bed dips are ~vertical. Minor normal faulting (offset <3 m [<10 ft]) is also present...
2007
Distribution and Significance of Widespread, Time-Parallel Pelagic Limestone Beds in Greenhorn Limestone (Upper Cretaceous) of the Central Great Plains and Southern Rocky Mountains
Donald E. Hattin
Special Publications of SEPM
.... stone, including the well-known Fencepost bed at the top. In the Hartland, the three most widely traceable limestone beds have been code-named EL-i...
1985
Rheological Complexity In Sediment Gravity Flows Forced To Decelerate Against A Confining Slope, Braux, SE France
Marco Patacci, Peter D. W. Haughton, William D. McCaffrey
Journal of Sedimentary Research (SEPM)
.... 72, p. 336– 340. Baas, J.H., Best, J.L., and Peakall, J., 2011, Depositional processes, bedform development and hybrid bed formation in rapidly...
2014
PALEOECOLOGIC SIGNIFICANCE OF MALACOFAUNA, OLDUVAI GORGE, TANZANIA
CLAUDIA C. JOHNSON, JACKSON K. NJAU, DIRK VAN DAMME, KATHY SCHICK, NICHOLAS TOTH
PALAIOS
..., a freshwater unionid species widespread across Africa. The fossilized shells were localized in Bed III conglomerate channel deposits, with channel...
2016
Supercritical Flow in Density Currents
Bryce M. Hand
Journal of Sedimentary Research (SEPM)
... antidunes, and chutes-and-pools formed spontaneously on an erodible bed at densiometric Froude numbers greater than 1.0. Runs using fixed model antidunes...
1974
The Oldest Marine Carbonate Ooids Reinterpreted as Volcanic Accretionary Lapilli, Onverwacht Group, South Africa
Donald R. Lowe, L. Paul Knauth
Journal of Sedimentary Research (SEPM)
.... Interstratified with this chert are two beds of spheroids (Fig. 3). The lower bed can be correlated between outcrops about 300m apart. The interval...
1978
An Ideal Frasnian/Famennian Boundary in Ma-Anshan, Zhongping, Xiangzhou, Guangxi, South China
Hui-chen Jia, Si-yuan Xian, De-li Yang, Huai-lin Zhou, Ying-jian Han, Zhen-huan Chen, Jin-xing Wang, Rui-gang Wang, Shi-tao Wang, Zhen-xian Zhang, ming Wei
CSPG Special Publications
... are generally identical with the conodont sequence of the Schmidt section in West Germany. But the Schmidt section has also a barren bed between...
1988
Concave-Up Pelecypod (Psephidia) Shells in Shallow Marine Sand, Elk River Beds, Southwestern Oregon
H. Edward Clifton, Sam Boggs, Jr.
Journal of Sedimentary Research (SEPM)
... shells in each bed during the intervening winter. The two sets of Psephidia measurements from any one bed did not differ significantly, indicating...
1970
Petrography of the Late Tertiary Volcanic Ash Falls in the Central Great Plains
Ada Swineford, John C. Frye, A. Byron Leonard
Journal of Sedimentary Research (SEPM)
... the Calvert bed occurs in the lower Pliocene Valentine member of the Ogallala formation. The Rawlins, Fort Wallace, Dellvale, Reager, and Reamsville...
1955
Widespread, Synchronously Deposited, Burrow-Mottled Limestone Beds in Greenhorn Limestone (Upper Cretaceous) of Kansas and Southeastern Colorado
Donald E. Hattin
AAPG Bulletin
... been known to be widely traceable in the Kansas outcrop. These are the Shellrock limestone bed which lies at the top of the Jetmore Member, as presently...
1971
Penecontemporaneous Recumbent Folds in Trough Cross-Bedding of Pleistocene Sands in Saskatchewan, Canada
Hugh E. Hendry, Mel R. Stauffer
Journal of Sedimentary Research (SEPM)
... lines vary greatly depending on position within an individual cross-bed set. Along the margins of troughs, hinge lines are at high angles to those...
1975
A 3-D Fracture Model of the Kuyumba Oil Field (Eastern Siberia) Reflecting the Clay and Bed Thickness-related Fracture-density Variations of its Dolomite Reservoir
L. Mattioni, A. Chauveau, O. Fonta, V. Ryabchenko, E. Sokolov, R. Mukhametzyanov, S. Shlionkin, V. Zereninov, I. Bobb
AAPG Special Volumes
...A 3-D Fracture Model of the Kuyumba Oil Field (Eastern Siberia) Reflecting the Clay and Bed Thickness-related Fracture-density Variations of its...
2010
Disposal of Production Waters from Oil and Gas Wells in the Northern San Juan Basin, Colorado
Gerald L. Zimpfer, Eric J. Harmon, Bradford C. Boyce
Rocky Mountain Association of Geologists
... Geology and Coal-Bed Methane Resources of the Northern San Juan Basin, Colorado and New Mexico, 1988 183 Disposal of Production Waters from Oil...
1988
Regional Patterns of Cross-laminae and Convolutions in a Single Bed: NOTES
Robert G. Sutton, Thomas L. Lewis
Journal of Sedimentary Research (SEPM)
...Regional Patterns of Cross-laminae and Convolutions in a Single Bed: NOTES Robert G. Sutton, Thomas L. Lewis 1966 Vol. 36 No. 1. (March), The Bluff...
1966
The Spontaneous Potential Log: Chapter II
George B. Asquith, Charles R. Gibson
AAPG Special Volumes
... element for determining accurate values of Rw and volume of shale. The SP value that is measured in the borehole is influenced by bed thickness, bed...
1982
Chapter 97: Channel-fill Sandstones at San Clemente State Beach, California, USA
Mark Chapin, Fred Keller
AAPG Special Volumes
... numbers. C1 and C2 refer to channel elements described in the Architectural Elements table. A bed-scale architecture section has been constructed...
2007
Chapter 100: Distal-basin-floor-fan Deposits of the Middle Eocene Tyee Formation, Oregon, USA
M. L. Sweet, R. T. Beaubouef, John Beuhler, Matt Grove, Margie Kloska, Steve Mitchell
AAPG Special Volumes
... of lateral continuity, in a strike sense, of sedimentary bodies in this part of the Tyee Formation. Bed bases are generally conformable. Flame...
2007
Chapter 17: Lobe, Channel-lobe, and Channel Deposits, Lok Kawi, Northwest Borneo
Paul D. Crevello, Howard D. Johnson, Felix Tongkul, Martin R. Wells
AAPG Special Volumes
... structures (Figure 9), and faint subhorizontal stratification (Figure 10). Scouring at bed bases is of low relief (<0.5 m [<1.5 ft]), and, across the outcrop...
2007
Volcanic Ash: the Source Material for Ordovician Chamosite Ooids in Sweden
Ulf Sturesson
Journal of Sedimentary Research (SEPM)
..., A. YU., 1990, On the age of the lower "lentile bed" (Ordovician of the Leningrad region): Byulleten' Moskovskogo obshchestva ispytatelej prirody, otdel...
1992
Traction-Carpet Stratification in Turbidites-Fact or Fiction?
Richard N. Hiscott
Journal of Sedimentary Research (SEPM)
... impingement on the bed of large turbulent eddies. Hence, "spaced stratification" may not be a structure produced beneath steady flows, but may record...
1994
Deep-Marine Pseudo Dune Cross-Stratification—Similar, But Completely Different
R.W.C. Arnott, O. Al-Mufti
Journal of Sedimentary Research (SEPM)
... bed transition: some observations from the ancient rock record: Geological Journal, v. 27, p. 349– 359. Chapin, M.A., Davies, P., Gibson, J.L....
2017
Sediments of the Danian Stage in the Lower Amu-Dar’ya Region
V. D. Il’in, G. M. Belyakova, O. I. Shmidt
Petroleum Geology: A Digest of Russian Literature
... at Lake Ashchi-Kul: Bed 1. Fine-grained, micaceous, partly ferrugineous green sand. A thickness of 0.8 m was encountered. Bed 2. Indurated light gray...
1958
Volcanic Ash in North Canadian Valley, Oklahoma: GEOLOGICAL NOTES
James H. Gardner
AAPG Bulletin
... The gravel bed consists of loose gravel at the base of, and is really a part of, the red clay deposit. The pebbles in the gravel range in size from ¼ inch...
1923
ABSTRACT: Low Temperature Carbonization Yields of Facies of the Wyodak-Anderson Coal Bed, Powder River Basin, Wyoming
R.W. Stanton, P.D. Warwick, S.S. Crowley
The Society for Organic Petrology (TSOP)
...ABSTRACT: Low Temperature Carbonization Yields of Facies of the Wyodak-Anderson Coal Bed, Powder River Basin, Wyoming R.W. Stanton, P.D. Warwick...
1989
Pseudo-planar Stratification Produced by Very Low Amplitude Sand Waves
Norman D. Smith
Journal of Sedimentary Research (SEPM)
... is superficially similar to upper flow regime plane bed deposits except that the grains are differentiated into alternating coarse and fine laminations...
1971