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The AAPG/Datapages Combined Publications Database
Showing 1,739 Results. Searched 200,619 documents.
Upper Carboniferous Fine-Grained Turbiditic Sandstones from Southwest England: A Model for Growth in an Ancient, Delta-Fed Subsea Fan
John Melvin
Journal of Sedimentary Research (SEPM)
... of sandstones displaying asymmetric upward-thickening or upward-thinning sequences are no more common than symmetric sequences, and both types...
1986
Integration of Channel and Floodplain Suites, II. Vertical Relations of Alluvial Paleosols
Mary J. Kraus
Journal of Sedimentary Research (SEPM)
... to an understanding of channel behavior in the Willwood depositional system. The facies changes in Figure 4 comprise a relatively symmetric pedofacies...
1987
Predicting the Thickness of Fresh-Water Lenses in Carbonate Paleo-Islands
David A. Budd, H. L. Vacher
Journal of Sedimentary Research (SEPM)
...). Then, for an infinite-strip island, the lens is thickest along the centerline of the island, is symmetric about the centerline, and flow is only...
1991
Fault Interpretation During Seismic Interpretation and Reservoir Evaluation: Fractured Reservoirs: Origin, Description, Evaluation
M. E. Badley, B. Freeman, A. M. Roberts, J. S. Thatcher, J. Walsh, J. Watterson, G. Yielding
AAPG Special Volumes
... that the faults physically join and are hard linked. Summing the displacements of Fault 2 with those of Fault 1 produces a more symmetric displacement pattern...
1991
Fourier and Autocorrelation Analysis of Estuarine Tidal Rhythmites, Lower Breathitt Formation (Pennsylvanian), Eastern Kentucky, USA
Ronald L. Martino, Dewey D. Sanderson
Journal of Sedimentary Research (SEPM)
... al. 1975). Internal structures include large scour surfaces, small- to large-scale trough cross-stratification, symmetric and asymmetric ripple...
1993
Numerical Modeling of Ooid Size and the Problem of Neoproterozoic Giant Ooids
Dawn Y. Sumner, John P. Grotzinger
Journal of Sedimentary Research (SEPM)
... are transported (Fig. 5). The algorithm is modeled after a symmetric ooid shoal with no net transport direction. Unagitated columns are located at both...
1993
Geologic Considerations for Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data
L. D. Meckel Jr. , A. K. Nath
AAPG Special Volumes
..., are symmetric zero-phase wavelets similar to what might be obtained with wavelet processed data (Nath and Patch, 1977). The other model is a more...
1977
The Geometry and Dynamics of Low-Relief Bed Forms in Heterogeneous Sediment in a Laboratory Channel, and their Relationship to Water Flow and Sediment Transport
Sean J. Bennett , John S. Bridge
Journal of Sedimentary Research (SEPM)
..., Unidirectional flow over asymmetric and symmetric ripples: Journal of Geophysical Research, v. 97, p. 12,745-12,761. WIBERG, P.L., AND RUBIN, D.M., 1989, Bed...
1995
G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset
Norman S. Neidell
AAPG Special Volumes
... energy (for a spherically symmetric source) will be transmitted into the subsurface than P-wave energy. The large angles, of course, require...
1987
Integrated Stratigraphic and Depositional-Facies Analysis of Parasequences in a Transgressive Systems Tract, San Joaquin Basin, California: Chapter 5: Recent Applications of Siliciclastic Sequence Stratigraphy
Robert S. Tye, James S. Hewlett, Peter R. Thompson, David K. Goodman
AAPG Special Volumes
...). Sandstones exhibit sharp upper and lower bounding surfaces, thin lamination, low-amplitude symmetric and asymmetric ripple lamination, high organic...
1993
Evaluation of Eustasy, Subsidence, and Sediment Input as Controls on Depositional Sequence Geometries and the Synchroneity of Sequence Boundaries: Chapter 13: Recent Developments in Siliciclastic Sequence Stratigraphy
David T. Lawrence
AAPG Special Volumes
...------------------------ source, and a distribution coefficient. The algorithm assumes a radially symmetric distribution of sediment about the point...
1993
C
John G. Dennis
AAPG Special Volumes
... that "... foliations and cleavages ... commonly bear symmetric relations to the axial planes of folds in some pre-existing sets of s-surfaces. CLOSE-JOINTS...
1967
Rock-Avalanche Elements of the Shadow Valley Basin, Eastern Mojave Desert, California: Processes and Problems
S. Julio Friedmann
Journal of Sedimentary Research (SEPM)
...) Symmetric soft-sediment folds penetrating mixed zone, lower m mber II; hammer for scale in lower left corner; transport direction of rock-avalanche breccia...
1997
The Origin of Barren Bodies in the Subiza Potash Deposit, Navarra, Spain: Implications for Sylvite Formation
Dioni I. Cendon , Carlos Ayora , Juan-Jose Pueyo
Journal of Sedimentary Research (SEPM)
..., where the overlapping sylvite beds evolve from absent to continuous. The figure shows the right-hand side of a symmetric barren zone. Legend: LHU, Lower...
1998
Tidal Sedimentology and Estuarine Deposition of the Proterozoic Big Cottonwood Formation, Utah
Todd A. Ehlers, Marjorie A. Chan
Journal of Sedimentary Research (SEPM)
...----------------------- planes. Symmetric megaripples present in this facies have amplitudes and wavelengths of 310 cm and 22-52 cm, respectively...
1999
Experimental Study of the Compaction of Phyllosilicate-Bearing Sand at Elevated Temperature and with Controlled Pore Water Pressure
E.H. Rutter, P.H. Wanten
Journal of Sedimentary Research (SEPM)
... and Rocks: Mineralogical Society, p. 334-353. SPRUNT, E.S., AND NUR, A., 1977, Experimental study of the effects of stress on solution rate: Journal...
2000
High-Resolution Seismic Study as a Tool for Sequence Stratigraphic Evidence of High-Frequency Sea-Level Changes: Latest Pleistocene-Holocene Example from the Korea Strait
Dong-Geun Yoo , Soo-Chul Park
Journal of Sedimentary Research (SEPM)
... a series of sand ridges in water depths between 60 and 90 m. Symmetric sand waves with V-shaped crests are also observed on the mid-shelf between...
2000
Quantitative Outcrop Data for Flow Simulation
Brian J. Willis , Christopher D. White
Journal of Sedimentary Research (SEPM)
...-skewed; the distributions become more symmetric about the mean (i.e., the skewness decreases) for less heterolithic facies. In the more heterolithic cross...
2000
Capturing Geological Realism in Stochastic Simulations of Rock Systems with Markov Statistics and Simulated Annealing
Kevin P. Parks , Laurence R. Bentley , Allan S. Crowe
Journal of Sedimentary Research (SEPM)
... disappeared. The symmetric structure of Table 5B was enforced in the horizontal in the grayscale image in Figure 8B, leaving the vertical structure as before...
2000
Origin of Giant Calcite-Cemented Concretions, Temple Member, Qasr El Sagha Formation (Eocene), Faiyum Depression, Egypt
Antar Abdel-Wahab , Earle F. McBride
Journal of Sedimentary Research (SEPM)
... crystallization of dolomite: American Association of Petroleum Geologists, Bulletin, v. 59, p. 60-68. FRANK, F.C., 1950, Radially symmetric phase growth...
2001
The Castlegate Sandstone of the Book Cliffs, Utah: Sequence Stratigraphy, Paleogeography, and Tectonic Controls
Andrew D. Miall, Mohamud Arush
Journal of Sedimentary Research (SEPM)
..., v. 154, p. 633-644. CASAS-SAINZ, A.M., 1997, The Rioja Trough (N. Spain): tectonosedimentary evolution of a symmetric foreland basin: Basin Research...
2001
Modern Sedimentation on the Shoreface and Inner Continental Shelf at Wrightsville Beach, North Carolina, U.S.A.
E. Robert Thieler , Orrin H. Pilkey, Jr. , William J. Cleary , William C. Schwab
Journal of Sedimentary Research (SEPM)
...-crested, symmetric megaripples (wavelength = 0.7-1.2 m, height = 0.1-0.25 m) are present within the depressions (Fig. 7); ripple crests are oriented...
2001
Holocene Eolian Sediments on the Southern Border of the Duero Basin (Spain): Origin and Development of an Eolian System in a Temperate Zone
Jose F. Garcia-Hidalgo, Javier Temino, Manuel Segura
Journal of Sedimentary Research (SEPM)
... and transverse, but also barchanoid) (Fig. 9). A symmetric dome becomes an asymmetric dune because of the deceleration of a densely charged flow at the edge...
2002
Rhythmic Deposition on Mudflats in the Mesotidal Changjiang Estuary, China
Daidu Fan,, Congxian Li
Journal of Sedimentary Research (SEPM)
... laminae limited at the troughs and ripples becoming symmetric or the crest being flattened by wave erosion. E) Ripple couplets with erosion surface due...
2002
Combined-Flow Processes and Sedimentary Structures on the Shoreface of the Wave-Dominated Grande-Riviere-de-la-Baleine Delta
Philip R. Hill, Samuel Meule, Hugues Longuepee
Journal of Sedimentary Research (SEPM)
..., are commonly near symmetric, with slightly rounded crests and bidirectional cross-lamination or unidirectional cross-lamination dipping towards the offshore...
2003