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The AAPG/Datapages Combined Publications Database
Showing 1,739 Results. Searched 200,641 documents.
Chapter Four: Thin-Bedded Turbidites: Overview and Petroleum Perspective
Dorrik A. V. Stow, Bayonle A. Omoniyi
AAPG Special Volumes
... environments. Small-scale (micro-sequences), typically of three to seven beds arranged in symmetric to asymmetric patterns, are the most commonly...
2018
Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database
Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza
Unconventional Resources Technology Conference (URTEC)
... wavelets with central frequencies between 2-10 Hz. (b) Spatiotemporal velocity map estimated using the STA approach with a 10-channel moving window, where...
2024
Depositional Structures and Processes in the Non-barred High-energy Nearshore
H. Edward Clifton, Ralph E. Hunter, R. Lawrence Phillips
Journal of Sedimentary Research (SEPM)
... predicts the magnitude of the velocity increase with decreasing water depth but does not predict an asymmetry of orbital motion that beco es greater...
1971
Folded Faults in Rocky Mountain Foothills of Alberta, Canada
J. C. Scott
AAPG Bulletin
.... Whether the folds are symmetric or not, divergence or convergence of the fault planes, and variation, within and between fault blocks, in the angle...
1951
Sedimentology, Sequence Stratigraphy, and Reservoir Architecture of the Eocene Mirador Formation, Cupiagua Field, Llanos Foothills, Colombia
Juan Carlos Ramon, Andres Fajardo
AAPG Special Volumes
... asymmetry or are symmetric alternating rise and fall hemicycles (Figure 15). Thickness of these short-term cycles in the Mirador Formation ranges from 0.9...
2006
Gas Hydrate Offshore Vancouver Island, Northern Cascadia Margin
M. Riedel, Eleanor C. Willoughby, Nigel Edwards, Roy D. Hyndman, George D. Spence, Ross Chapman, Marc-Andre Chen, Ivana Novosel, Katrin Schwalenberg
AAPG Special Volumes
... with reflection polarity opposite to that of the sea-floor reflection, (2) the BSR waveform is a single symmetric pulse, and (3) the BSR reflection...
2009
Active Folding and Blind Thrust Faulting Induced by Basin Inversion Processes, Inner California Borderlands
Carlos Rivero, John H. Shaw
AAPG Special Volumes
... of a shallow and relatively symmetric faulted anticline that produces a series of pronounced bathymetric scarps on the sea floor (Figures 3, 7...
2011
Cenozoic Structure and Tectonic Evolution of the Kuqa Fold Belt, Southern Tianshan, China
Xin Wang, John Suppe Shuwei Guan, Aurelia Hubert-Ferrari, Ramon Gonzalez-Mieres Chengzao Jia
AAPG Special Volumes
..., northern Quilitage, and Miskantag anticlines are interpreted to be cored by Paleogene Kumgeliem salt (Figures 10, 11). The Dawanqi anticline is a symmetric...
2011
Progradational Sequences in Miocene Shoreline Deposits, Southeastern Caliente Range, California
H. Edward Clifton
Journal of Sedimentary Research (SEPM)
...). The oscillatory currents induced by such waves at depths greater than about 50 m are so nearly symmetric that no selective onshore transport occurs...
1981
Graphical Techniques for the Analysis and Display of Logging Information: Chapter 2
John H. Doveton
AAPG Special Volumes
... Cycle as a classic example of a symmetric, third-order tectono-eustatic cycle (Glenister and Kauffman, 1985). The transgressive phase of the cycle...
1994
Concavity Orientations of Bivalve Shells in Estuarine and Nearshore Shelf Sediments, Georgia
Armando Salazar-Jimenez , Robert W. Frey, James D. Howard
Journal of Sedimentary Research (SEPM)
... to be andom, statistically, although almost symmetric overall. Truly random orientations are evident in certain box cores, where animals have moved...
1982
Glossary
James A. McCaleb
AAPG Special Volumes
... if it contains fewer than 10 grains of H2S or fewer than 200 grains of total sulfur per MCF. SYMMETRIC DISTRIBUTION: A plot of possible outcomes versus...
1992
Water in Skeletal Carbonates
Susan J. Gaffey
Journal of Sedimentary Research (SEPM)
... (H2O) molecules have three internal fundamental vibrational modes, as illustrated in Figure 2. These are two O-H stretches, one symmetric, one...
1988
The Effects of Neogene Thrusting on Deposition in the Bermejo Basin, Argentina
James A. Beer, Teresa E. Jordan
Journal of Sedimentary Research (SEPM)
... (Beer and Jirka 1988) indicates that the velocity profile of sheetfloods that flow over alluvial fans is not radially symmetric. Even subtle...
1989
Spectral Reflectance Characterization (0.4 To 2.5 and 8.0 To 12.0 µm) of Phanerozoic Strata, Wind River Basin and Southern Bighorn Basin Areas, Wyoming
Harold R. Lang, Mary Jane Bartholomew, Cindy I. Grove, Earnest D. Paylor
Journal of Sedimentary Research (SEPM)
... information supports the presence of calcite and preclu es the presence of mica, we consistently attribute the 2.34 µm band to calcite. In other cases...
1990
Cyclic Alternation of Proximal and Distal Storm Facies: Kope and Fairview Formations (Upper Ordovician), Ohio and Kentucky
David C. Jennette , Wayne A. Pryor
Journal of Sedimentary Research (SEPM)
.... Within the bedsets, individual beds are wavy and lenticular and often have erosional basal surfa es with low-angle cut and fill structures. Low-angle...
1993
Seismic Models of a Shelf-margin Depositional Sequence: Upper San Andres Formation, Last Chance Canyon, New Mexico
Jan Stafleu , Mark D. Sonnenfeld
Journal of Sedimentary Research (SEPM)
..., "parasequences"), to less frequently documented symmetric transgressive and regressive cycles in slope settings, to asymmetric transgressive hemicycles...
1994
Oceanic Ridge Volumes and Sea-Level Change - An Error Analysis
Michelle A. Kominz
AAPG Special Volumes
... maps. In this study, volume calculations were made for symmetric ridge systems and corrected for the amount of ridge subducted beneath the Americas...
1984
Stratal Patterns, Sediment Composition, and Sequence Stratigraphy at the Margin of the Vercors Carbonate Platform (Lower Cretaceous, SE France)
Arnout J. W. Everts, Jan Stafleu, Wolfgang Schlager, Bruce W. Fouke, Erik W. Zwart
Journal of Sedimentary Research (SEPM)
... of the different point-count groups through the succession. The most significant changes in sediment composition are rather gradual and symmetric cycles...
1995
Shallow Marine Record of Orbitally Forced Cyclicity in a Late Triassic Carbonate Platform, Hungary
Anna Balog , Janos Haas , J. Fred Read , Cahit Coruh
Journal of Sedimentary Research (SEPM)
...; then these laminites were labeled undifferentiated types. Cycles containing the ideal symmetric pattern of both transgressive and regressive laminites (Fig. 7A, B...
1997
Dolomitization by Mixed Evaporative Brines and Freshwater, Upper Miocene Carbonates, Nijar, Spain
William J. Meyers , Feng H. Lu , John K. Zachariah
Journal of Sedimentary Research (SEPM)
... overlain by nonluminescent blocky calcite cement. Note the bilaterally symmetric growth of CL-zoned polyhedral/spheroidal (S/P) dolomite into molds...
1997
Relationship of Unconformities, Tectonics, and Sea Level Changes in the Cretaceous of the Western Interior, United States: Part III. Middle Rocky Mountains
R. J. Weimer
AAPG Special Volumes
... of the unconformities, in many areas regional sedimentation patterns cannot be easily related to symmetric cycles of transgression and regression, although...
1986
Structurally Controlled Sediment Distribution Patterns in the Jurassic Morrison Formation of Northwestern New Mexico and Their Relationship to Uranium Deposits: Part IV. Southern Rocky Mountains
A. R. Kirk, S. M. Condon
AAPG Special Volumes
... and is approximately symmetric about the point where the outcrop crosses the Continental Divide, northwest of Thoreau (Saucier, 1980) (Figures 3 and 10...
1986
Sequence Architecture and Sea-Level Dynamics of Upper Permian Shelfal Facies, Guadalupe Mountains, Southern New Mexico
David A. Osleger
Journal of Sedimentary Research (SEPM)
... cycles are typically arranged as asymmetric regressive hemicycles, with minor skewed symmetric patterns also evident in downdip positions. Siliciclastics...
1998
Detection of Astronomical Cycles in the Stratigraphic Record by Frequency Modulation (Fm) Analysis
Linda A. Hinnov , Jeffrey Park
Journal of Sedimentary Research (SEPM)
... from symmetric trough/peak (shale/limestone) durations (cf. Fig. 15), which our strategy minimized by assigning equal times to the limestones...
1998