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The AAPG/Datapages Combined Publications Database
Showing 1,739 Results. Searched 200,630 documents.
Deciphering the Sedimentological Expression of Tectonics, Eustasy, and Climate: A Basinwide Study of the Corallian Formation, Southern England
Carol B. De Wet
Journal of Sedimentary Research (SEPM)
... interpreted cycles are symmetric and of equal duration. In his scenario, sea level fell and rose four times in seven million years so that the Dorset...
1998
Modern Nearshore Cold-Temperate Calcareous Sediments in the Troms District, Northern Norway
Andre Freiwald
Journal of Sedimentary Research (SEPM)
... and algal gravel deposits show a weak symmetric arrangement around the production site. In contrast, the rhodoliths from the rock-encrusting coralline...
1998
Evaporitic Subtidal Stromatolites Produced by In Situ Precipitation: Textures, Facies Associations, and Temporal Significance
Michael C. Pope , John P. Grotzinger , B. Charlotte Schreiber
Journal of Sedimentary Research (SEPM)
... surface, lower (Crinkly Bed) Hesleden Dene biostrome, Upper Permian, England. The two small domes have a very symmetric shape. B) Photomicrograph...
2000
Paleogeographic Setting and Depositional Architecture of a Sand-Dominated Shelf Depositional System, Miocene Utsira Formation, North Sea Basin
W.E. Galloway
Journal of Sedimentary Research (SEPM)
..., symmetric to asymmetric cross sections. Scour hollows (Fig. 15D, E) are, perhaps, the most interesting and enigmatic features. They occur singly...
2002
Sequence Stratigraphy and Carbonate-Siliciclastic Mixing in a Terminal Proterozoic Foreland Basin, Urusis Formation, Nama Group, Namibia
Beverly Z. Saylor
Journal of Sedimentary Research (SEPM)
... a symmetric stratigraphy. Exposure surfaces and shoreface sandstone extend across the shelf to the seaward margin. Transgressive carbonate...
2003
Laboratory Study of Gas and Water Flow in the Nordland Shale, Sleipner, North Sea
J. F. Harrington, D. J. Noy, S. T. Horseman, D. J. Birchall, R. A. Chadwick
AAPG Special Volumes
... undertaken to determine the hydraulic properties of the specimens. Modeling of hydraulic data was undertaken using a 2-D cylindrically symmetric finite...
2009
Intra-Annual Isotopic Variation in Venericardia Bivalves: Implications for Early Eocene Temperature, Seasonality, and Salinity on the U.S. Gulf Coast
Linda C. Ivany, Bruce H. Wilkinson, Kyger C. Lohmann, Emily R. Johnson, Brandon J. McElroy, Gregory J. Cohen
Journal of Sedimentary Research (SEPM)
... isotope variation defined by these data is relatively symmetric over each of the successive 9 summers and 10 winters of shell accretion, and suggests...
2004
Development of Equatorial Delta-Front Patch Reefs During the Neogene, Borneo
Moyra E.J. Wilson
Journal of Sedimentary Research (SEPM)
...-laminated or planar-laminated on a millimeter scale (Fig. 6C). Ripples have asymmetric to symmetric form, and facing direction of asymmetric ripples...
2005
The Signal and the Noise: Forward Modeling of Allocyclic and Autocyclic Processes Influencing Peritidal Carbonate Stacking Patterns
Peter M. Burgess
Journal of Sedimentary Research (SEPM)
... by marine flooding surfaces." Lehrmann and Goldhammer (1999) further state that parasequences "may be subtidal, peritidal, symmetric or asymmetric...
2006
Hyperpycnites Deposited 700 km Away from River Mouths in the Central Japan Sea
Takeshi Nakajima
Journal of Sedimentary Research (SEPM)
... asymmetric, with the right-hand levee higher than the left-hand one. Exceptionally symmetric levees, of equal height, occur at the Meiyo Bend, where...
2006
Stratigraphy and Origin of Maravillas Formation (Upper Ordovician), West Texas
Earle F. McBride
AAPG Bulletin
.... However, cross-bedding is totally absent in these beds, and neither symmetric nor asymmetric ripple marks have been found. Also absent are burrows...
1970
Sediments and Sedimentary Processes of Eastern Mississippi Cone, Gulf of Mexico
Ter-Chien Huang , H. G. Goodell
AAPG Bulletin
...------------------------------ Click to view image in GIF format. Fig. 4. [Grey Scale] Bottom photographs. A, Symmetric ripples probably originated by internal waves (lat. 26...
1970
Plate Convergence and Accretion in Taiwan-Luzon Region
Carl Bowin , Richard S. Lu , Chao-Shing Lee , Hans Schouten
AAPG Bulletin
... the admittance there cannot be determined. The admittance of the symmetric ridges in line 29-30 is low, much like that for the ridges in the Manila Trench...
1978
Fan-Delta Sedimentology and Tectonic Setting--Yallahs Fan Delta, Southeast Jamaica
William A. Wescott , Frank G. Ethridge
AAPG Bulletin
... the plunge point to a depth of approximately 4.6 m (15 ft) symmetric, straight-crested, sand waves, composed of coarse sand to granule-size particles...
1980
Submarine Ramp Facies Model for Delta-Fed, Sand-Rich Turbidite Systems
Paul L. Heller , William R. Dickinson
AAPG Bulletin
... of repetitive thickening- and thinning-upward cycles of depositional lobe and braided middle-fan deposits, respectively, as well as symmetric composites...
1985
Geology and Petroleum Potential of Upper Cretaceous and Tertiary Strata, Beaufort-Mackenzie Area, Northwest Canada (1)
J. DIXON , J. DIETRICH, L. R. SNOWDON, , G. MORRELL, and D. H. MCNEIL
AAPG Bulletin
..., resulting in asymmetric fold limbs (Figures 9, 10). Under the deep-water areas of the western Canadian Beaufort Sea, the folds are more symmetric...
1992
Continental Margin Evolution of the Northern Arabian Platform in Syria
John A. Best , Muawia Barazangi , Damen Al-Saad , Tarif Sawaf , Ali Gebran
AAPG Bulletin
... anticlines usually topped by Cretaceous outcrops and (2) the northeast region, composed of two broad, relatively symmetric anticlines with fold axes...
1993
Geometry and Kinematic Evolution of Inversion Structures
Shankar Mitra
AAPG Bulletin
... for each type of inversion structure, which can be used to analyze the geometry and evolution of these structu es in areas of poor data quality. BASIC...
1993
Evolving Fluvial Style in the Kekiktuk Formation (Mississippian), Endicott Field Area, Alaska: Base Level Response to Contemporaneous Tectonism
John Melvin
AAPG Bulletin
... to symmetric (wave) ripple forms (Table 1). Those sandstones are overlain in the uppermost 5 m of the example shown (Figure 8) by coarser, poorly sorted...
1993
Stratigraphic Architecture of the Tonganoxie Paleovalley Fill (Lower Virgilian) in Northeastern Kansas
Howard R. Feldman , Martin R. Gibling , Allen W. Archer , Winton G. Wightman , William P. Lanier
AAPG Bulletin
... and with clay laminae that drape foresets and entire ripples. A few ripples are apparently symmetric in cross section and plan view, but sh w...
1995
Pore Size and Pore Throat Types in a Heterogeneous Dolostone Reservoir, Devonian Grosmont Formation, Western Canada Sedimentary Basin
Ping Luo , Hans G. Machel
AAPG Bulletin
.... The early diagenetic timing of pervasive dolomitization is suggested by the fac es distribution, petrography, and isotopic composition (Machel and Hawlader...
1995
Thrust-Front Zone of the Precordillera, Argentina: A Thick-Skinned Triangle Zone
Tomas R. Zapata, Richard W. Allmendinger
AAPG Bulletin
...]. The tight and symmetric syncline associated with the tip line of the blind Niquivil thrust and the presence of the Huaco anticline and minor exposed...
1996
Segmentation of an obliquely rifted margin, Campos and Santos basins, southeastern Brazil
Kristian E. Meisling, Peter R. Cobbold, Van S. Mount
AAPG Bulletin
... Regional RJ-ES, Rio de Janeiro, p. 189-197. Dias, J. L., J. Q. de Oliveira, and J. C. Vieira, 1988, Sedimentological and stratigraphic analysis...
2001
Reactivation of an obliquely rifted margin, Campos and Santos basins, southeastern Brazil
Peter R. Cobbold, Kristian E. Meisling, Van S. Mount
AAPG Bulletin
... samples have long fission tracks, and their distributions are tight, unimodal, and almost symmetric, indicating rapid cooling in the Paleozoic. In other...
2001
Development of accommodation zones in the Gulf of Suez-Red Sea rift, Egypt
Amgad I. Younes, Ken McClay
AAPG Bulletin
... that sections across accommodation zones are typically symmetric with a characteristic horst and graben style (e.g., Lambiase and Bosworth, 1995...
2002