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The AAPG/Datapages Combined Publications Database
Showing 25,587 Results. Searched 195,372 documents.
The Monroe Uplift
Ollie H. Johnson, Jr.
GCAGS Transactions
... of the tremendous truncation and the regional orientation the aerial extent of the uplift is difficult to define. If defined on the truncated edge...
1958
Turbidites Debris Sheets and Truncation Structures in Upper Paleozoic Deep-Water Carbonates of the Sverdrup Basin, Arctic Archipelago
Graham R. Davies
Special Publications of SEPM
... visible deformation the truncation surface al stepping across cherty lime there is beds is apparent Further evidence for localized scouring...
1977
UNCONFORMITIES, STRATIGRAPHIC TRAPS AND SEDIMENTATIONAL PATTERNS IN NORTHERN GREAT PLAINS
WILLARD D. PYE
Montana Geological Society
... Truncation of section Channelling...
1954
The Interpretation of Grain Size Distribution Curves of Clastic Sediments
Derek W. Spencer
Journal of Sedimentary Research (SEPM)
... to average, so that a grains to matrix situation, where the matrix shows less dispersion, will be apparent. Figure 19(c) shows even greater truncation...
1963
ABSTRACT: Paleoproterozoic Evolution of the Snowbird Tectonic Zone - Fact or Fiction?
Gerald M. Ross
Saskatchewan Geological Society
... significance remain controversial. At the crux of this controversy is the apparent paradox provided by Archean ages of deformation within STZ mylonites...
1999
Abstract: Cenozoic Sedimentation and Tectonics of Hope Basin, Southern Chukchi Sea, by Stephen L. Eittreim, Arthur Grantz, O. T. Whitney; #90966 (1977).
Search and Discovery.com
1977
Abstract: Evidence for Unconformities in the Cenozoic of the Central and South Texas Continental Shelf from Regional Electric Log and Seismic Cross Sections
Taylor Blood, Alfred E. LaPointe, Clifton E. Cran, Mark F. Stanczyk
GCAGS Transactions
... truncation, valley incision, and submarine canyon formation, which are the characteristics of a Type I unconformity as defined by Vail et al. (1977...
1990
ABSTRACT: Sequence Stratigraphy Interpretation of the Central Shelf Area, Offshore Louisiana, by Barbara Radovich, Timothy Powell, Mark Lovell Robert Mitchum, Jr.; #91003 (1990).
Search and Discovery.com
1990
ABSTRACT: Subsalt and Base-of-Salt Reflector Relationships and Hydrocarbon Trap Implications From a Large 3D, Depth Migrated, Seismic Volume, by George A. Jamieson; #91020 (1995).
Search and Discovery.com
1995
Abstract: Three-Dimensional Variability of Depositional Sequences: Insights and Developments from Numerical Models, by Rob L. Gawthorpe, Stuart Hardy, Bryan D. Ritchie, and Dave Hunt; #90914(2000)
Search and Discovery.com
2000
Abstract: Stratigraphy of the Altamont Formation (Middle Pennsylvanian) in St. Louis, Missouri, by D. J. Stolz and N. R. King; #90095 (2009)
Search and Discovery.com
2009
ABSTRACT: Facies, Environments, Diagenesis and Sequence Stratigraphy of the Bakken, SE Saskatchewan and North Dakota: Role of Residual Structure Mapping as Framework; #90108 (2010)
Graham R. Davies and David W. Hume
Search and Discovery.com
... pycnocline. Silt-sand filled fractures in the Lower Shale show an apparent structural alignment, and suggest sediment source from below.The Middle...
2010
The Triassic Upper Montney at Dawson Creek is an arkosic dolo-siltstone
jill
Search and Discovery.com
... trend and better porosity in the upper portion of the cycle. Spectral gamma logs show this apparent cleaning upward nature is related to uranium (proxy...
Unknown
Neotectonics of the Rinconada and Reliz Fault Zones, Salinas Valley, California, by Lewis I. Rosenberg and Joseph C. Clark; #90041 (2005)
Search and Discovery.com
2005
Modification of Sediment Size Distributions
William F. Tanner
Journal of Sedimentary Research (SEPM)
... mean, the apparent truncation will appear in the coarser tail of the sample (fig. 7), and positive phi skewness appears. If the filter mean is finer...
1964
Seismic Stratigraphy and Global Changes of Sea Level: Part 2. The Depositional Sequence as a Basic Unit for Stratigraphic Analysis: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
R. M. Mitchum Jr., P. R. Vail , S. Thompson III
AAPG Special Volumes
..., and toplap indicate nondepositional hiatuses; truncation indicates an erosional hiatus unless the truncation is a result of structural disruption. Examples...
1977
Types of Oil and Gas Traps in Southern Oklahoma
Erwin L. Selk
AAPG Bulletin
..., truncation, and onlap and overlap of beds. Although this multiplicity of traps should have been apparent, the extent of exploration until late in 1944...
1951
Stratigraphy of the Washita Group, South-Central Texas
Ken G. Martin
South Texas Geological Society Special Publications
... the members are in sharp contact and separated by a bored surface. Truncation along this unconformable surface becomes apparent in southern Williamson...
1962
Abstract: Shallow Marine Multiple-Event Deposits: Core Examples from the Upper Cycle V (Late Miocene) of Baram Field, Baram Delta, Offshore Sarawak
Abdul Hadi Abd. Rahman
Geological Society of Malaysia (GSM)
... swaley cross stratified sandstone; however, this apparent 'homogeneity' is punctuated by several hierarchical orders of boundary surfaces and thin...
1996
Hydrocarbon Production and Surface Expression of the China Segment of the Tepetate Fault Zone, Louisiana
Byron Miller, Paul V. Heinrich
GCAGS Transactions
... are rollover anticline structures associated with the fault system, however, some fault truncation traps are present. This paper focuses on the China Segment...
2003
Visualization of Angular Unconformities and Tectonic Angular Discordance Measurement Constraints by Structural Geometrical Flattening: Case Studies in the Permian (California), Grand Canyon (Arizona), Chad Basin (Nigeria), Algarve Basin (Iberian Peninsula), and the Aegean Sea Basin (Turkey)
Adewale Amosu, Yuefeng Sun
GCAGS Transactions
... rock record containing an acute angle approximately equal to the sum of angular discordance (true or apparent dependent upon section orientation...
2017
Subsurface Structure of the Eastern Arkoma Basin (1)
ROY B. VANARSDALE and EUGENE S. SCHWEIG III
AAPG Bulletin
... and truncation of t e faulted and folded terrain by a pre-Morrowan (Mississippian-Pennsylvanian) unconformity. The unconformity slopes southward and steepens...
1990
Seismic Stratigraphy and Global Changes of Sea Level: Part 11. Glossary of Terms used in Seismic Stratigraphy: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
R. M. Mitchum Jr.
AAPG Special Volumes
...). Geologic terms are defined in Gary, McAfee, and Wolf (1972). THE GLOSSARY Aggradation: See onlap. Apparent onlap: See onlap. Bank seismic facies...
1977
ABSTRACT: Sedimentation Patterns Within The Middle Jurassic Upper Shaunavon Member of Southwestern Saskatchewan
J. E. CHRISTOPHER
Williston Basin Symposium
... by pre-Lower Cretaceous Blairmore truncation. Quartz-arenite, oolitic and shelly calcarenite-cal-cirudite, coquina, marlstone...
1964
Lateral Variability of Sequence Stratigraphic Framework in the Campanian and Lower Maastrichtian of the Western Interior Seaway
L. F. Krystinik and Beverly Blakeney DeJarnett
AAPG Special Volumes
... aspects of sequence boundaries include truncation, basinward shifts in facies, and subaerial exposure (Van Wagoner et al., 1990). Sequence boundaries...
1995