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The AAPG/Datapages Combined Publications Database
Showing 440 Results. Searched 195,354 documents.
Other Carbonate Grains: Peloids
AAPG Special Volumes
... ooids illustrating strong birefringence and a pseudo-uniaxial cross. X.N. 0.11 mm. (Middle). Holocene sediment. Joulters Cay, Bahamas. This is the same...
1978
Chapter 16 - Diagenesis: Sulfate & Halide Cements and Authigenic Precipitates
Dana S. Ulmer-Scholle, Peter A. Scholle, Juergen Schieber, Robert J. Raine
AAPG Special Volumes
... masses. It is monoclinic, has pronounced cleavage, is typically colorless in thin section, has low birefringence (just slightly higher than quartz...
2014
ABSTRACT: Dynamic Reservoir Characterization Utilizing 4-D, 9-C Seismic Data, Vacuum Field, New Mexico, by Robert D. Benson and Thomas L. Davis; #90906(2001)
Search and Discovery.com
2001
ABSTRACT: Processing and Analysis of 3-D PS-wave Data for Reservoir Fracture Detection – Wyoming Case Study, by R. R. Van Dok, J. E. Gaiser, and J. E. Markert; #90906(2001)
Search and Discovery.com
2001
Abstract: Anisotropic P-P and P-Sv Pre-Stack Depth Migration of 4-C Seismic Data, Offshore Trinidad, by Tony D. Johns, Carmen Vito, and Raul Sarmiento; #90077 (2008)
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2008
Abstract: Multi-Component Full Wave Data for Reservoir Fracture Analysis, by Brian Donnelly; #90081 (2008)
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2008
Abstract: Faults, Joints and Anisotropy Dominate Sonic, Resistivity Log Responses in a Geopressured Wabamun Limestone Gas Reservoir at Resthaven; #90225 (2015)
Gordon M. Uswak and Murray Gilhooly
Search and Discovery.com
..., induction log polarisation horn and conductivity anomalies, sonic waveform refraction and birefringence, and Stonely acoustic wave velocity...
2015
Relations of Gypsum and Anhydrite: DISCUSSION
Leo Ogniben
Journal of Sedimentary Research (SEPM)
... to the optical axes" (Ogniben, 1957a, p. 67, column 2, last paragraph) has nothing to do with low birefringence (Goldman, 1957, p. 196, column 1...
1957
Chapter 1 - Grains: Quartz and Silica
Dana S. Ulmer-Scholle, Peter A. Scholle, Juergen Schieber, Robert J. Raine
AAPG Special Volumes
..., but fractures and healed fractures can be common. Relief and optic sign: Low; uniaxial (+). Birefringence: First-order (in a 30-μm section) typically first...
2014
Associated Sediments
AAPG Special Volumes
... conditions. Note fine crystal size and low birefringence of chert. XN. 0.10 mm. (Middle). Upper Cretaceous White Limestone. Northern Ireland. A chert...
1979
The Clay Minerals and Their Identity
Clarence S. Ross, Paul F. Kerr
Journal of Sedimentary Research (SEPM)
...; cleavage, perfect on basal plane; approximate index of refraction about = 1,560, = 1.565, = 1.566; birefringence, 0.006; optical character, negative...
1931
Authigenic Montmorillonoid Cement in Andesitic Sandstones of Central California
J. F. Lerbekmo
Journal of Sedimentary Research (SEPM)
... different refractive indices, birefringence, and color. These features, illustrated in plate 1, C and D, suggest that the montmorillonoid...
1957
Geology of the Subsurface Igneous Rocks of Sunflower County, Mississippi
Danny W. Harrelson , James L. Coleman, Jr. , Philip L. Cook, Jr.
GCAGS Transactions
.... The clinopyroxene augite (.2-.4 mm) occurs as stubby, euhedral phenocrysts with moderate birefringence and alteration to chlorite along phenocryst...
1992
Beach Sand at Los Ojos De Agua De San Telmo, Michoacan, Mexico
Fred M. Bullard, Richard A. Mills
Journal of Sedimentary Research (SEPM)
..., the birefringence as well as the pleochroism is difficult to observe. All of the specimens are free of inclusions and they do not appear to be badly weathered...
1951
Heavy Minerals from the Viking Formation, West Central Alberta
H. R. Young
CSPG Bulletin
... in outline and frequently are aligned. The mineral is characterized by its detrital form and weak birefringence (Plate 2, Figs. 9-12). Collophane...
1965
The Occurrence of Moissanite (Silicon Carbide) in Sediments: DISCUSSION
C. H. Edelmann
Journal of Sedimentary Research (SEPM)
.... In several of the first slides prepared, varying amounts of a strongly colored substance with a very high index of refraction and low birefringence...
1932
Petrographic Microscope Slides of Detrital Mineral Grains
Paul Herbert, Jr.
Journal of Sedimentary Research (SEPM)
.... For classes in optical studies crushed minerals can be selected and grains mounted to show stages in relief or birefringence. The writer wishes...
1942
Abstract: Calcareous Nannofossils from Middle to Upper Jurassic Sediments of North Kuwait Onshore, by Adi P. Kadar; #90105 (2010)
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2010
Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)
Xinxiang Li, Peter Cary, and Rodney Couzens
Search and Discovery.com
... systems. Cary (1995) discussed a dilemma regarding data scaling/deconvolution and birefringence layer-stripping. High quality converted-wave data...
2015
Multicomponent Seismic Interpretation and its Relation to Production Response in the Leonardian Drinkard Formation of Vacuum Field, by M.A. Raines and T.L. Davies, #90025 (2004)
Search and Discovery.com
2004
Chapter 13 - Diagenesis: Clay Cements
Dana S. Ulmer-Scholle, Peter A. Scholle, Juergen Schieber, Robert J. Raine
AAPG Special Volumes
... index (RI) and optic sign, are rarely used in identifying clay mineral cements because of their small crystal sizes. Instead, color, birefringence...
2014
P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics
James Gaiser
Petroleum Exploration Society of Australia (PESA)
... amplitude depends on S-wave birefringence. PS-waves are ideal for determining this Swave splitting information from layerstripping and their reflectivity...
2016
Igneous Rocks from Deep Wells in West Texas: GEOLOGICAL NOTES
Leroy T. Patton
AAPG Bulletin
...------------------------------ alteration along the cleavage cracks. The optic angle was measured and was found to be 2V = 89°. The maximum birefringence...
1945
Ultra-Thin Thin Sections In Carbonate Petrology: A Valuable Tool
R. C. Lindholm, D. A. Dean
Journal of Sedimentary Research (SEPM)
... mineral identification because different mineral species show characteristic interference colors, depending on birefringence and orientation...
1973
Glossary
Joann E. Welton
AAPG Special Volumes
... sediment. birefringence: The ability of crystals other than those of the isometric system to split a beam of ordinary light into two beams of unequal...
1984