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The AAPG/Datapages Combined Publications Database
Showing 1,739 Results. Searched 200,626 documents.
A stratigraphic framework for Late Jurassic–Early Cretaceous gas-bearing strata (Monteith Formation) in the subsurface of northwest Alberta
Brett D. Miles, Ross B. Kukulski, M. Keegan Raines, John-Paul Zonneveld, Andrew L. Leier, Stephen M. Hubbard
CSPG Bulletin
... cross-stratification and symmetric and asymmetric current ripples. Phycosiphon is the most common trace fossil present in MC-F1, with locally abundant...
2012
Geologic Evolution of the Evaporite Basin: Chapter 4
Brian W. Logan
AAPG Special Volumes
..., the upper surface of the Cygnet Carbonate Member is marked by large-scale symmetric ripples in gypsum-cemented pellet sand and is immediately overlain...
1987
Bering Sea Velocity-amplitude Anomalies: Exploring the Distribution of Natural Gas and Gas-hydrate Indicators
Ginger A. Barth, David W. Scholl, and Jonathan R. Childs
AAPG Special Volumes
... width. It appears that the VAMPs are fairly symmetric features, with peaks offset from centers by an average of less than 10%. Table 1 also notes...
2009
Two Contrasting Kinematic Styles of Active Folding Above Thrust Ramps, Western Taiwan
Li-Fan Yue, John Suppe, Jih-Hao Hung
AAPG Special Volumes
... to the west. To the north, the topographic form of the Pakuashan-Tatushan anticline is more symmetric, suggesting a somewhat different subsurface structure...
2011
Field and Modelling Studies of Cambrian Carbonate Cycles, Virginia Appalachians
William F. Koerschner III, J. F. Read
Journal of Sedimentary Research (SEPM)
...-depth-dependent sedimentation rates that are linearly interpolated, a complex sea-level curve synthesized from 10 asymmetric or symmetric sine waves...
1989
Relation of Eustasy to Stacking Patterns of Meter-Scale Carbonate Cycles, Late Cambrian, U.S.A.
David Osleger, J. Fred Read
Journal of Sedimentary Research (SEPM)
... and shallowing lithofacies. These symmetric cycles are relatively rare, however, and are restricted to deeper water positions on each platform...
1991
Jurassic Paleotectonics in the West-Central Part of the Colorado Plateau, Utah and Arizona: Part IV. Southern Rocky Mountains
F. Peterson
AAPG Special Volumes
... as monoclines, homoclines, or limbs between symmetric folds, the studies presented in this paper indicate that the general areas marked...
1986
Plate Tectonic Evolution of Sedimentary Basins
William R. Dickinson
AAPG Special Volumes
... are generally symmetric; and (d) orogenic deformation is not intense. Two major features of the basins are inherently difficult to evaluate...
1978
Arc-Continent Collision in Banda Sea Region
Carl Bowin , G. M. Purdy , Chris Johnston , George Shor , Lawrence Lawver , H. M. S. Hartono , Peter Jezek
AAPG Bulletin
..., and extends from the Babar Islands northward to south of Seram. The bathymetric contour map in Figures 23 and 2 shows it to be an approximately symmetric...
1980
Late Cenozoic Fold and Thrust Belt of the Southern Coast Ranges and Santa Maria Basin, California (1)
JAY NAMSON and THOM L. DAVIS
AAPG Bulletin
... oil fields. To the south, the San Antonio-Los Alamos syncline separates the Casmalia-Orcutt anticlinal trend from the symmetric to north-vergent Lompoc...
1990
Geometry and kinematics of Neogene allochthonous salt systems in the Mississippi Canyon, Atwater Valley, western Lloyd Ridge, and western DeSoto Canyon protraction areas, northern deep-water Gulf of Mexico
Renaud Bouroullec, and Paul Weimer
AAPG Bulletin
... in a single contractional structure commonly vary along strike. A symmetric anticline can change laterally along strike to a salt-cored thrust...
2017
Petroleum geology of the Mississippi Canyon, Atwater Valley, western DeSoto Canyon, and western Lloyd Ridge protraction areas, northern deep-water Gulf of Mexico: Traps, reservoirs, and tectono-stratigraphic evolution
Renaud Bouroullec, Paul Weimer, and Olivier Serrano
AAPG Bulletin
... in Figure 10 (13.05 to 9.0 Ma); note the symmetric thickening of stratigraphy toward the center. Figure 7. Stratigraphic external forms in the study area...
2017
Three-dimensional seismic interpretation of a meteorite impact feature, Red Wing Creek field, Williston Basin, western North Dakota
Benjamin D. Herber, Paul Weimer, Renaud Bouroullec, Roger J. Barton, Daniel N. Behringer, William S. Hammon III, and William S. Gutterman
AAPG Bulletin
... symmetric impact structure, unlike many others. The radial thrusts in the northern half of the structure are all in a general northern direction...
2022
Field Trip A5: Facies Heterogeneity in Lacustrine Basins: the Transtensional Moncton Basin (Mississippian) and Extensional Fundy Basin (Triassic-Jurassic), New Brunswick and Nova Scotia
David Keighley, David E. Brown
Atlantic Geoscience Society Special Publications
... organic matter -low to high TOC -hypersaline biomarkers Fluctuating profundal (Balanced fill) -flat bedded -symmetric and asymmetric ripples -trough...
2005
High-Resolution Stratigraphy of the lower portion of the Green River Formation at Raven Ridge and Red Wash Field, NE Uinta Basin, Utah, Colorado, USA: Facies and Stratigraphic Patterns in a High-Gradient, High-Energy Lacustrine System
James M. Borer
Rocky Mountain Association of Geologists
... of these factors cause lacustrine shoreface cycles to be more symmetric than a classic marine parasequence, which in turn has implications for correlation...
2016
Change and stability in Permian brachiopod communities from western Texas
Thomas D. Olszewski, Douglas H. Erwin
PALAIOS
.... In this case, truncation of species ranges by stratigraphic gaps amplifies the punctuated appearance of changes—that is, the common-cause hypothesis...
2009
Chapter 10: Reservoir Modeling and Fluid-Flow Simulation, Ivie Creek Case-Study Area - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)
C.B. Forster, S.H. Snelgrove, J.V. Koebbe
Utah Geological Survey
... a radially symmetric character with a likely position for the point of origin of the sediments. Discussion Quantitative Comparison of 3-D Simulation...
2001
Constructional Canyons Built by Sheet-Like Turbidity Currents: Observations from Offshore Brunei Darussalam
Kyle M. Straub, David Mohrig
Journal of Sedimentary Research (SEPM)
... of time. Growth in canyon relief is not axially symmetric. Increases in relief were skewed to the downslope limb of the shale-cored anticline for both...
2009
Dating and Characterization of Polymorphic Transformation of Aragonite to Calcite in Pleistocene Bivalves from Rhodes (Greece) by Combined Shell Microstructure, Stable Isotope, and Electron Spin Resonance Study
Jurgen Titschack, Ulrich Radtke, Andre Freiwald
Journal of Sedimentary Research (SEPM)
..., 2001; Cornee et al. 2006a; Cornee et al. 2006b). Its warm-temperate deposits include a 16-m-thick nearly symmetric medium-scale transgressive...
2009
Cretaceous Depositional Systems, Northern D–J (Chyenne) Basin: Examples from the Dakota Group and Laramie-Fox Hills Formations
John Dolson, Kenneth A. Nibbelink
Rocky Mountain Section (SEPM)
... burrowed. Multiple ripple forms such as linquoid, flat-crested and symmetric ripples are present. Bimodal-bipolar orientations are common. Along...
1985
Edestus, the Strangest Shark? First Report from New Mexico, North American Paleobiogeography, and a New Hypothesis on Its Method of Predation
Wayne M. Itano
Rocky Mountain Association of Geologists
... symmetric and so must have been located along the midline of the jaw, as shown in Figure 17. The jaws of Edestus, as in other chondrichthyans, were made...
2014
Middle and Upper Pennsylvanian Clastic-Carbonate Facies Models North-Central Texas: Fieldtrip Guidebook
A. W. Erxleben, A. W. Cleaves, T. C. Yancey
South Texas Geological Society Special Publications
... cycles. The middle cycles is 20 m thick, and is lithologically symmetric, with carbonate deposits at cycle center position. Units above and below...
1989
Architecture and Facies Distribution of Organic-Clastic Lake Fills in the Fluvio-Deltaic Rhine–Meuse System, The Netherlands
Ingwer J. Bos
Journal of Sedimentary Research (SEPM)
...), the Windy Lake Splay (Smith and Perez-Arlucea 1994), and the Laitaure delta, Sweden (Andren 1994). Occasionally, however, a symmetric dendritic...
2010
Three-Dimensional Connectivity of Point-Bar Deposits
Brian J. Willis, Hong Tang
Journal of Sedimentary Research (SEPM)
.... Although the modeling of successive channel bends with exactly the same channel planform may appear unnaturally symmetric, the goal here is to highlight...
2010
Rapid growth explains large size of mollusks in the Eocene Gosport Sand, United States Gulf Coast
Andrew W. Haveles, Linda C. Ivany
PALAIOS
... is apparent in the isotope records. MB Agaronia show distortion of the expected symmetric annual sinusoid in the isotope record as well, with growth...
2010