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The AAPG/Datapages Combined Publications Database
Showing 25,586 Results. Searched 195,364 documents.
New tools for seismic stratigraphic interpretation: Stratal convergence and instantaneous isochron attribute cubes derived from volumetric flattening of experimental strata
Jesse Lomask, Jason M. Francis, James Rickett, Marc L. Buursink, Thomas P. Gerber, Martin Perlmutter, Chris Paola
AAPG Bulletin
... and salt welds although these scenarios have not been investigated in this study. Apparent truncation is a potential limitation of this attribute...
2009
Size Frequency Distributions Taken From Within Sand Laminae
James T. Grace, Brian T. Grothaus, Robert Ehrlich
Journal of Sedimentary Research (SEPM)
..., truncation points of cumulative SFD would not vary appreciably). However, sediment is commonly laminated and each lamina might carry size frequency...
1978
Outcrop Geomorphic Study of Basal Unconformities and Related Movements, Upper Gulf Cretaceous Basin of Oklahoma and Arkansas
John H. Speer , Frank A. Melton
AAPG Bulletin
... only 25 ft/mi on the big limestone hill of the Arbuckles. Not apparent on this section is the fact that the axis of the Criner Hills uplift, extended...
1971
Eagle Springs Oil Field, Railroad Valley, Nye County, Nevada
D. Keith Murray , Louis C. Bortz
AAPG Bulletin
... to have resulted from a combination of folding, faulting, truncation, and overlap; impermeable Miocene "valley fill" overlaps truncated Oligocene...
1967
Seismic Stratigraphy and Global Changes of Sea Level: Part 7. Seismic Stratigraphic Interpretation Procedure: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
R. M. Mitchum Jr., P. R. Vail
AAPG Special Volumes
... of reflection terminations along the surfaces, which are catagorized as onlap, downlap, toplap, or truncation (Part 6, Vail et al, this volume). Sequence...
1977
Determination of Paleocurrent Direction from Oblique Sections of Trough Cross-Stratification--A Precise Approach: RESEARCH METHODS PAPER
Prabir Dasgupta
Journal of Sedimentary Research (SEPM)
... (yz plane) sections is apparent. Figure 2. A) Idealized oblique-vertical section of a trough cross-set showing asymmetric truncation of foresets...
2002
Seismic Stratigraphy and Global Changes of Sea Level: Part 6. Stratigraphic Interpretation of Seismic Reflection Patterns in Depositional Sequences: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
R. M. Mitchum Jr., P. R. Vail , J. B. Sangree
AAPG Special Volumes
... terminations include erosional truncation, toplap, onlap, and downlap. Seismic facies analysis interprets environmental setting and lithofacies from seismic...
1977
Magnetotelluric Soundings in the Ouchita Thrust Belt of Central Texas
J. G. Muncey , W. J. Ehni
GCAGS Transactions
... gravity maximum. The geometry of the truncation suggests that the frontal thrust zone may have detached from the age-equivalent foreland facies near...
1985
Preliminary Interpretation of Seismic Data from Lower Cook Inlet, Alaska
Michael A. Fisher
Pacific Section of AAPG
.... The outcrop line on the map is not an isochron but shows the location of the truncation of the A-horizon at the sea floor. Figure 5. Generalized contours...
1976
Layered Microgranite-Pegmatite Complexes of the Kuala Lumpur Granite, Peninsular Malaysia
Ng Tham Fatt
Geological Society of Malaysia (GSM)
.... However, unconformable contacts (truncation structures) with apparent angle of discordance ranging from a few degrees to 30° are not uncommon (Figs...
1997
Reservoir Quality in the Sag River Formation, Prudhoe Bay Field Alaska: Depositional Environment and Diagenesis
David A. Barnes
Pacific Section SEPM
... Lower Cretaceous "Highly Radioactive Zone" Shale. Mineral leaching probably resulted from incursion of chemically aggressive fluids at that truncation...
1987
ABSTRACT: Modelling well logs in the presence of high apparent formation dip
James E. McDonald
CSPG Special Publications
...ABSTRACT: Modelling well logs in the presence of high apparent formation dip James E. McDonald 1998 345 345...
1998
Fracture Axial-Plane Cleavage by Soft-Sediment Deformation
K. K. Liew, H. D. Tjia
Geological Society of Malaysia (GSM)
.... Rightside up stratigraphic position is indicated by small (centimetres' range) scour-and-fill sandy intervals between siltstone beds, by truncation...
1994
Reflector Convergence and Rotation Attributes Facilitate Seismic Stratigraphy Interpretation, by Satinder Chopra and Kurt J. Marfurt, #40876 (2012).
Search and Discovery.com
2012
Sequence stratigraphy of Dinosaur Lake: Small-scale fluvio-deltaic stratal relationships of a dinosaur accumulation at the Aaron Scott Quarry, Morrison Formation, San Rafael Swell, Utah
David L. Jeffery, Janet L. Bertog, John R. Bishop
PALAIOS
... been marked to indicate truncation, onlap, offlap, stratal geometries, and major rock types. Interpretations have been extensively field checked...
2011
Influence of Sediment Type and Depositional Processes on Stratal Patterns in the Permian Basin-Margin Lamar Limestone, McKittrick Canyon, Texas: Chapter 5
A. A. Brown, R. G. Loucks
AAPG Special Volumes
.... 539-617. Davies, G. R., 1977, Turbidites, debris sheets, and truncation structures in Upper Paleozoic deep-water carbonates of the Sverdrup Arctic...
1993
Stratigraphic Distribution of Oil and Gas in the Mid-Continent
F. J. Adler, H. T. Henslee, I. C. Hicks, T. G. Larson, B. Rascoe, Jr., W. M. Caplan, M. P. Carlson, E. D. Goebel, M. H. McCracken, J. S. Wells, M. C. Parker, and M. W. Schramm, Jr.
Tulsa Geological Society
... on the North American craton are made readily apparent by mapping of the major units of the sequences, and geographic distribution maps of the various...
1987
Pennsylvanian and Lower Permian Deposition in Wyoming and Adjacent Areas
Charles S. Tenney
AAPG Bulletin
... short distances. Apparent truncation of the upper Minnelusa surface occurred as the area on the east was exposed by the retreating sea. More erosion...
1966
The Northwest Margin of the Sverdrup Basin
R. A. Meneley, D. Henao, R. K. Merritt
CSPG Special Publications
.... It is readily apparent from seismic data that the Pennsylvanian section has been thinned by truncation over the large horst block on which Brock...
1975
Oceanic Flood Deposits in the Cretaceous Western Interior of North America
Simon A.J. Pattison
Search and Discovery.com
...) Abstract The apparent paucity of storm, wave-induced underflow deposits in ancient shelf settings is puzzling given the ubiquity of storm deposits...
Unknown
Gravity Exploration for Petroleum in Railroad Valley, Nevada--Search for the Subtle Trap
Douglas J. Guion, William C. Pearson
AAPG Special Volumes
...: The Deliberate Search for the Subtle Trap The gravity method is extremely important in Basin and Range exploration for subtle fault/truncation traps...
1982
Trap Styles: A New Classification Based on Sealing Surfaces (1)
N. J. MILTON and G. T. BERTRAM
AAPG Bulletin
... of rock (e.g., by truncation or pinch-out); contours may not close if drawn on the upper surface of the reservoir only, (C) reservoirs closed...
1992
Isopach Map of the Galena, Decorah, and Platteville
John R. Ball
Kansas Geological Society
... and Michigan. The apparent absence of the Glenwood beds in some logs has presented, it is thought, discrepancies in the data that are responsible, probably...
1935
ABSTRACT: Paleoproterozoic Evolution of the Snowbird Tectonic Zone - Fact or Fiction? - Another Perspective
Simon Hanmer
Saskatchewan Geological Society
... of an apparent truncation of the ca. 2.0 to 1.9 Ga Taltson magmatic zone by the STZ, despite the absence of an equivalent signature on the other side...
1999
Atwater Valley 92 #1, 1ST1
Paul Wieg
Houston Geological Society
... truncation, faulting, or onlap of objective intervals. Reservoir Depth 14388 AVO Class III Seismic Processing Pre-Stack Time Migration of 3D data...
2003