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The AAPG/Datapages Combined Publications Database
Showing 21,290 Results. Searched 195,364 documents.
The Diagenesis and Low-grade Metamorphism of Devonian Styliolinid-Rich Pelagic Carbonates from West Germany: Possible Analogues of Recent Pteropod Oozes
Maurice E. Tucker , Alan C. Kendall
Journal of Sedimentary Research (SEPM)
... the position of former crystal terminations. The envelopes are interpreted as being a replacement after an early diagenetic acicular cement, which...
1973
Continent and Ocean Basin Evolution by Sea Floor Spreading: Abstract
Robert S. Dietz
Tulsa Geological Society
... is that no fixed layer separates the sea floor from the convection process; rather the ocean bottom is the exposed and outcropping limbs...
1963
Abstract: Neogene Sandstone Reservoirs of the East Slovakian Basin: Zeolites and Clay Minerals from the Alteration of Volcanics, by J. K. Reed and M. Gipson, Jr.; #91004 (1991)
Search and Discovery.com
1991
Abstract: Non-First-Break Solution for Shallow Velocity Anomaly Problem; #90211 (2015)
Emil Blias
Search and Discovery.com
..., there is a shallow low velocity layer, permafrost etc) the only seismic information available is deep reflections. Shallow velocity anomalies cause large...
2015
Diagenetic Replacement of Feldspar by Quartz in the Uinta Mountain Group, Utah and its Geochemical Implications
C. A. Wallace
Journal of Sedimentary Research (SEPM)
...Diagenetic Replacement of Feldspar by Quartz in the Uinta Mountain Group, Utah and its Geochemical Implications C. A. Wallace 1976 Vol. 46 No. 4...
1976
Dolostone from the South African Continental Slope
William G. Siesser
Journal of Sedimentary Research (SEPM)
... they passed. The surficial depressions, grooves, and ridges are attributed to submarine solution and the crust to submarine replacement while the semi...
1972
Diagenesis, Geochemistry, and Origin of a Precambrian Dolomite: the Beck Spring Dolomite of Eastern California
Maurice E. Tucker
Journal of Sedimentary Research (SEPM)
... a uniformitarian approach that early dolomite is always a replacement, the geochemical data are best interpreted in terms of meteoric-marine mixing-zone...
1983
Operating Experience to Extend Lifetime of Molecular Sieves at the Belanak Floating Production Storage Offloading (FPSO) Vessel, South Natuna Sea, Indonesia
Widya Syamsul, Yasid Ghufroni, Deva Agustiawan, Ondo Fernando
Indonesian Petroleum Association
... sieve proved to help to extend the adsorbent replacement time of the upstream Mercury Removal Unit (Mercury Guard Bed). The risk and costs associated...
2017
Groundwater Silicification in Paris Basin Limestones: Fabrics, Mechanisms, and Modeling
Medard Thiry, Isabelle Ribet
Journal of Sedimentary Research (SEPM)
... limestone fabric. There is a systematic relationship between silicification and high-porosity zones. The replacement of the limestone matrix by quartz...
1999
Halite Pseudomorphs After Gypsum: A Suggested Mechanism
B. Charlotte Schreiber ,, David Walker
Journal of Sedimentary Research (SEPM)
... replacement of gypsum by halite at the transition between bedded sulfate and chloride in cyclic evaporite sequences of Permian age is interpreted...
1992
Calcite Pseudospar Replacive of Marine Acicular Aragonite, and Implications for Aragonite Cement Diagenesis
S. J. Mazzullo
Journal of Sedimentary Research (SEPM)
... of the replacement calcites suggest the precursor cement was aragonite. As such, the interpretation of this fabric as aragonite-replacive represents an example...
1980
Pennsylvanian Sedimentation in Northeastern Socorro County, New Mexico
Raymond Sidwell, G. Frederick Warn
Journal of Sedimentary Research (SEPM)
... by calcareous nodules and lenses. The normal sedimentation sequence in the extensive units of calcareous materials includes: a basal nodular layer; a medial...
1951
Direct Evidence That Well-Ordered, Stoichiometric (Ideal) Dolomites are the Product of Recrystallization, #50693 (2012)
Stephen E. Kaczmarek, Duncan F. Sibley
Search and Discovery.com
.... Synthetic dolomite is formed by replacement of calcite in Mg-Ca-Cl fluids at high-temperature (>200°C). The first synthetic dolomites to form...
2012
Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)
Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang
Search and Discovery.com
... then determine the near-surface layer velocities and thicknesses inferred by the traveltime Datapages/Search and Discovery Article #90211 CSPG© 2015...
2015
Analysis of Oil Pool Development in the Demsko-Rayev Group of Fields
S. S. Kuz’minskiy, V. Z. Karpushin
Petroleum Geology: A Digest of Russian Literature
...: 1-drilled, 2-injection; outlines of oil pools: 3-stratum DI, 4-stratum DIV, 5-in Kynov sandstones; 6-zones of replacement of sandstones of stratum DIV...
1973
Halite Pseudomorphs After Gypsum in Bedded Anhydrite--Clue to Gypsum-Anhydrite Relationships
Susan D. Hovorka
Journal of Sedimentary Research (SEPM)
... of changes in the processes of replacement of gypsum by anhydrite and halite as the shallow burial environment became increasingly saline...
1992
Glauconitization of Rhyolite Sand Grains
Richard W. Ojakangas , W. D. Keller
Journal of Sedimentary Research (SEPM)
... replacement by glauconite have been observed in Upper Cambrian Lamotte-Bonneterre transitional beds near Ironton, Missouri. No evidence of direct...
1964
Procesamiento de Datos Sismicos en Areas de Topografia Irregular: Caso Historico en el Flanco Sur Andino [PAPER IN SPANISH] Seismic Data Processing in Areas of Irregular Topography: A Case History in the Andean Southern Flank: Abstract
Eulogio del Pino, Jose Licheri, Sergio dos Santos
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... estimation using prestack migration of the wavefield and zero velocity layer replacement are used to compute the velocity model. This paper also present...
1994
Principles of Cementation and Porosity—Occlusion in Upper Cretaceous Sandstones, Rocky Mountain Region
Alonzo D. Jacka
Wyoming Geological Association
..., which separate grains, and later replacement of grains by cement to form increasingly enriched concentrations. Textures and structures of caliche...
1970
Clay Mineralogy of Pennsylvanian Redbeds and Associated Rocks Flanking Ancestral Front Range of Central Colorado
Omer B. Raup
AAPG Bulletin
... regolith, and the Belden and Glen Eyrie Formations contain illite, montmorillonite, mixed-layer illite-montmorillonite, and significant amounts...
1966
Grain Surface Etching Features of Some Heavy Minerals
Riyadh A. Rahmani
Journal of Sedimentary Research (SEPM)
... to a skeletal form. Calcite replacement appears to be an important factor in the removal of many heavy minerals, especially garnet. Fragile, hacksawed...
1973
Origin and Significance of Glauconite in the Geologic Sequence: Abstract
D. M. Triplehorn
Tulsa Geological Society
... replacement. Original morphologies may be obscured by abrasion (reworking) and internal structures changed by recrystallization. Glauconitization...
1965
ABSTRACT: Diagenetic Alteration of Wingate Formation: Possible Indications of Hydrocarbon Microseepage, Lisbon Valley, Utah, by Ira S. Merin and Donald B. Segal; #91038 (2010)
Search and Discovery.com
2010