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The AAPG/Datapages Combined Publications Database
Showing 22,487 Results. Searched 200,691 documents.
Evolution of Secondary Porosity in Pennsylvanian Morrow Sandstones, Anadarko Basin, Oklahoma
Zuhair Al-Shaieb, Patty Walker
AAPG Special Volumes
... to dark brown with occasional replacement by micrite. The intraformational shale clasts appear dark brown to black and show ductile deformation along...
1986
Dolomitization in a Mixing Zone of Near-Seawater Composition, Late Pleistocene, Northeastern Yucatan Peninsula
W. C. Ward, R. B. Halley
Journal of Sedimentary Research (SEPM)
... level, either shortly after deposition about 200,000 yr BP, r, more likely, about 125,000 yr BP. Dolomite occurs both as microcrystalline replacement...
1985
Origin of Nodular and Bedded Anhydrite in Permian Shelf Ssdiments, Texas and New Mexico
S. Duff Kerr, Jr. , Alan Thomson
AAPG Bulletin
... than of pore-filling or replacement origin) is the nodule. Nodules are packed to varying degrees, ranging from widely spaced individuals to dense zones...
1963
Diagenesis of the Mt. Simon and Rose Run Sandstones in Western West Virginia and Southern Ohio
M. T. Heald, G. F. Baker
Journal of Sedimentary Research (SEPM)
... dolomite rhombs scattered through an argillaceous layer to nearly complete replacement with only wisps of clay between the rhombs. The best developed...
1977
Mineral Reactions and Controls on Zeolite-facies Alteration in Sandstone of the Central Transantarctic Mountains, Antarctica
Charles L. Vavra
Journal of Sedimentary Research (SEPM)
..., converted smectite to illite-rich ordered mixed-layer illite/smectite and produced albite, laumontite, prehnite, epidote and chlorite cements...
1989
Downhole Oil and Water Separation – Potential of a New Technology
Larry J. Chrusch
Indonesian Petroleum Association
..., proper placement in multi-layered sands, water quality, and having control in maintaining pattern voidage. Voidage replacement is often a problem...
1996
Area-3 Single Sand Injection Program: An Opportunity to Arrest Production Decline as One of Reservoir Management in Waterflood Field, Minas Indonesia
Ronny Indra
Indonesian Petroleum Association
...: Level 1 (area), Level 2 (focus area), Level 3 (pattern), and Level 4 (well/layer). Three months were required to collect and process the data, evaluate...
2010
Transformer-based network for an efficient ground roll suppression
Randy Harsuko, Omar Saad, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... main components, which are: 1. An embedding layer that transforms the shot gathers equivalently across the traces. It comprises a stack of 1D...
2024
Silica Diagenesis in Accreted Eocene Siliceous Rocks (Horizon Ac) on Barbados
D. K. Larue , C. W. Gortner , R. Torrini, Jr.
Journal of Sedimentary Research (SEPM)
... common in silica-rich T layers, and opal-A is best preserved in mud-rich F layers. D-spacing doesn't correlate with Al2O3 weight percent or layer type...
1987
Burial Diagenesis of Paleosols in the Giant Yacheng Gas Field, People's Republic of China: Bearing on Illite Reaction Pathways
R. H. Lander , S. Bloch, S. Mehta, C. D. Atkinson
Journal of Sedimentary Research (SEPM)
.... Authigenic illite formed by precipitation in pore spaces and by replacement of smectite of pedogenic origin. These two varieties of illite have...
1991
The Diagenesis of Neogene Clastic Sediments from the Bengal Basin, Bangladesh
M. B. Imam , H. F. Shaw
Journal of Sedimentary Research (SEPM)
.... In the shales evidence has been found of progressive illitization of the mixed-layer illite-smectite with increasing depth of burial. Unlike other studies...
1985
Smectite-to-Illite Reactions in Salton Sea Shales: A Transmission and Analytical Electron Microscopy Study
Yu-Chyi Yau, Donald R. Peacor, S. Douglas McDowell
Journal of Sedimentary Research (SEPM)
... Clay Minerals, v. 6, p. 327-341. EBERL, D., 1978a, The reaction to montmorillonite to mixed-layer clay: the effect of interlayer alkali and alkaline...
1987
The Development of a Lower Jurassic Carbonate Tidal Flat, Central High Atlas, Morocco. 2: Diagenetic History
Christopher J. Burgess
Journal of Sedimentary Research (SEPM)
... replacement of both the original organic matter and the clay sized carbonate particles by micrite. This would explain examples of partially micritized...
1979
The Evolution of a Middle Precambrian Dolostone Sequence--A Spectrum of Dolomitization Regimes
B. D. Ricketts
Journal of Sedimentary Research (SEPM)
... Precambrian dolostones are considered here to represent replacement of original limestone or calcareous sediment, and hence such dolostone sequences can...
1983
A Model of Penecontemporaneous Phosphatization by Diagenetic and Authigenic Mechanisms from the Western Margin of Southern Africa
G. F. Birch
Special Publications of SEPM
... mineralization was by a process replacement or precipitation Later research provided theoretical and field evidence for both mechanisms A model...
1980
Rapid Growth and Recrystallization of Cave Pearls in an Underground Limestone Mine
Leslie A. Melim, Michael N. Spilde
Journal of Sedimentary Research (SEPM)
..., “Sediment”–cement relationships in a Pleistocene speleothem from Italy: a possible analogue for “replacement”: cements and Archaeolithoporella...
2011
New Approach to Discover and Prove Prospective Layers at Mature Fields
Prayudha Rifqi Safiraldi, Edison Nadeak, Haryo Tedjo Baskoro, Tejo Sukotrihadiyono
Indonesian Petroleum Association
..., methodology to redefine prospective layer, and the result of reservoir optimization initiative using the mentioned concept. The initiative...
2019
Significance of Red Sea in Problem of Evaporites and Basinal Limestones
Gerald M. Friedman
AAPG Bulletin
... blackened wit FeS as an accompaniment of the sulfate-replacement process. Such basinal limestones, analogous to the sediments in the southern Red Sea...
1972
Fold-Related Fractures in Coastal Outcrops of the Monterey Formation: Effects of Structural Style, Mechanical Stratigraphy, and Scale at Arroyo Burro Beach
Michael R. Gross, Gabriel Gutiérrez-Alonso, Wendy Lou Bartlett
Pacific Section SEPM
... throughout the region. After Gross (1995). (a) "Drape Folds" bending I (b) "Detachment Folds" 1 layer-parallel shortening Figure 4. Dependence of fold...
1998
Diagenetic Albitization of Detrital K-Keldspars in Jurassic, Lower Cretaceous and Tertiary Clastic Reservoir Rocks from Offshore Norway, II. Formation Water Chemistry and Kinetic Considerations
P. Aagaard , P. K. Egeberg , G. C. Saigal , S. Morad , K. Bjorlykke
Journal of Sedimentary Research (SEPM)
... considerations indicate that at temperatures below 145°C the dissolution of K-feldspar is always faster than albite growth. Combined with replacement...
1990
The Occurrence of Uranium as Related to the Diagenesis of the Morrow Sandstone, Empire South Field, Eddy County, New Mexico
Miles E. Denham, Mary Helen Niemann, Thomas T. Tieh
West Texas Geological Society
... and emplacement. The alteration and replacement of detrital grains occurred throughout the diagenetic history of the sandstones. During the latter stages...
1989
Clay Mineralogy of the Lewisville Member of the Cretaceous Woodbine Formation in the Arlington Area, Tarrant County, Texas
G. P. Hawkins , C. F. Dodge , J. C. Butler
GCAGS Transactions
... Prof. Paper 242, 226 p. Weaver, C. E., 1956, The distribution and identification of mixed-layer clays in sedimentary rocks: Amer. Mineralogist, v. 41, p...
1974
Diagenesis of the Upper Proterozoic Siliciclastic Sediments of the Taoudeni Basin (West Africa) and Relation to Diabase Emplacement
Jean-Pierre Girard , Max Deynoux, Daniel Nahon
Journal of Sedimentary Research (SEPM)
... (Fig. 5C and D). It occurs both as an intergranular pore-filling (Fig. 4A and B) and as a replacement cement of detrital minerals and/or quartz...
1989
Gypsum-Hydroboracite Association in the Sijes Formation (Miocene, Nw Argentina): Implications for the Genesis of Mg-Bearing Borates
Federico Orti , Ricardo N. Alonso
Journal of Sedimentary Research (SEPM)
... of the layer is affected by synsedimentary deformation and displays convoluted lamination. Hammer for scale. C) Banded facies (b; lower half...
2000
Diagenesis and Rock-Fluid Interactions in the Cadotte Member From a Well in Northeastern British Columbia.
Mark Thomas, Brian Miller
CSPG Bulletin
... are siderite, calcite, chlorite and mixed-layer illite-smectite. The sandstones have good porosity and permeability with maximum values of 27 per cent...
1980