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The AAPG/Datapages Combined Publications Database
Showing 22,487 Results. Searched 200,693 documents.
The Distribution of Modern Benthonic Foraminifera in the Northwest Gulf of St. Lawrence
Kenneth Hooper
Atlantic Geology
... between the dead and the living assemblages, there are some differences. Particularly notable is the replacement of the dead assemblage of range 18-90 m...
1970
Epigenetic Dolomitization and the Origin of Xenotopic Dolomite Texture
Jay M. Gregg , Duncan F. Sibley
Journal of Sedimentary Research (SEPM)
... temperature a smooth crystal surface is energetically favored, and atoms are added to crystal faces layer by layer with dislocations acting...
1984
Parigi Carbonate Buildups : Northwest Java Sea
Tahir Bukhari, John G. Kaldi, Firman Yaman, Kakung H. P., David O. Williams
Indonesian Petroleum Association
... be recognized. The major diagenetic processes to affect these rocks include cementation, replacement and dissolution. However, diagenetic alteration...
1992
Ferruginous Oolites and Pisolites
Hugh A. Jones
Journal of Sedimentary Research (SEPM)
...------------------------ the groundmass and occasionally form the cores of oolites. Many are perfectly rounded although marginal replacement of the quartz by limonite...
1965
Refraction Statics, A Comparison Among Processing Contractors
Bambang Sudewo
Indonesian Petroleum Association
... lateral changes in weathered layer thickness and velocity, the inherent limitations of the uphole method and so on. The key to successfully resolving...
1985
Phosphatic Pebbles from the Brightseat Formation of Maryland
John K. Adams, Johan J. Groot, N. William Hiller, Jr.
Journal of Sedimentary Research (SEPM)
... shells that have been replaced by collophane. These forms contain many cavities concentrated in the central portion of the pebble. A thin outer layer...
1961
Metallogenesis of Gold in the Tintina Gold Belt – Alaska Side - Abstract
Dan McCoy, Stan Dodd, Rainer Newberry, Paul Layer
Alaska Geological Society
...Metallogenesis of Gold in the Tintina Gold Belt – Alaska Side - Abstract Dan McCoy, Stan Dodd, Rainer Newberry, Paul Layer 1999 1 Prior to 10 years...
1999
Abstract: Chemical Mass Transfer in Polycrystals and Polyphase Aggregates; #90172 (2014)
R. Abart, K. Hartmann, L. Keller, B. Joachim
Search and Discovery.com
...+ and Al3+ through the spinel-layer. The position of the original periclase-corundum interface is readily discerned from a change in the internal...
2014
Lithology and Depositional Environment of the Wolfcampian Shale in the Delaware Basin
Ali Said Trabelsi
Houston Geological Society Bulletin
... concentrations within burrows fillings. X-ray diffraction analyses show that the clay minerals present in this lithofacies consist of mixed-layer illite- smectite...
1995
Allogenic Quartz and the Origin of Penemosaic Texture in Evaporites of the Detroit River Formation (Middle Devonian) in Northern Indiana
Lawrence F. Rooney, Robert R. French
Journal of Sedimentary Research (SEPM)
... sediments by wave action and density settling. 'Massive replacement of carbonate rock by anhydrite has also been suggested for deposits closely...
1968
Origin of the Salina Salt of Michigan
Louis F. Dellwig
Journal of Sedimentary Research (SEPM)
... on the bottom of the basin to form a layer of cloudy salt. With subsequent cooling the brine passed into the supersaturated state and settling hopper...
1955
Pharmacosiderite and Unusual Samples of Scorodite from Peninsular Malaysia
K. F. G. Hosking, E. B. Yeap
Geological Society of Malaysia (GSM)
... opencast of Sungei Besi Tin Mines, Selangor, a number of highly stanniferous and originally sulphidic replacement bodies were discovered some 5 or 6...
1975
Clay Mineral Diagenesis as a Possible Source of Silica Cement in Sedimentary Rocks
Kenneth M. Towe
Journal of Sedimentary Research (SEPM)
...-depositional transformation of montmorillonite and/or mixed-layer illite-montmorillonite to illite is suggested as a source of silica cement in some sedimentary...
1962
Authigenic Feldspars And Cherts Resulting From Dolomitization Of Illitic Limestones: A Hypothesis
Keene Swett
Journal of Sedimentary Research (SEPM)
... consideration: (1) selective replacement of non-potash minerals by a third mineral followed by leaching of the replacing mineral, or (2) of a potash...
1968
Petrology of Siliceous Rocks in the Mishash Formation (Negev, Israel)
Yehoshua Kolodny
Journal of Sedimentary Research (SEPM)
... and the formation of preferred orientation. The cherts in the Mishash formation are mostly products of early replacement of carbonate and sometimes phosphate...
1969
Petrography of the Sirban Limestone of Riasi, Jammu Province, Jammu and Kashmir State
M. R. Sharma, S. P. Krishnaswami
Journal of Sedimentary Research (SEPM)
..., the mineralogical replacements, and the post consolidation textural changes of the rock formation. Various stages and modes of replacement of dolomite...
1969
Diagenetic Matrix in Proterozoic Graywackes from Sweden
Sadoon Morad
Journal of Sedimentary Research (SEPM)
... and replacement by clay minerals, and 2) the microprobe and X-ray diffraction analyses, scanning electron and petrographic microscopes were used together...
1984
Diagenetic Dedolomitization in the Albian-Cenomanian Yagur Dolomite on Mount Carmel (Northern Israel): NOTES
Yehoshua Folkman
Journal of Sedimentary Research (SEPM)
.... SHEARMAN, D. J., Khouri, J., and Taha, S., 1961, On the replacement of dolomite by calcite in some Mesozoic limestone from the French Jura: Proc. Geol...
1969
Geology and Au-Cu-Ag Skarn and Replacement Mineralization in the New World District, Park County, Montana
Todd W. Johnson
Wyoming Geological Association
...Geology and Au-Cu-Ag Skarn and Replacement Mineralization in the New World District, Park County, Montana Todd W. Johnson 1996 263 271 The New World...
1996
Advanced analysis of helicopter-borne microTEM data for seismic base of sand corrections
Ersan Turkoglu, Daniele Colombo, Ernesto Sandoval-Curiel
International Meeting for Applied Geoscience and Energy (IMAGE)
... time sand curves are used to derive the sand layer correction. We detail feasibility, acquisition and dedicated processing of a helicopter-borne microTEM...
2022
Submarine Slides in White Limestone Group, Jamaica
E. Robinson
AAPG Bulletin
... of the fragments and the proportion of matrix differ from one coarse layer to another. In Figure 2 the general Table I. TERTIARY SEDIMENTARY SUCCESSION...
1967
Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring
Martin Karrenbach, Steve Cole, Victor Yartsev
Unconventional Resources Technology Conference (URTEC)
... can define a homogeneous replacement layer (defined by the integral bounds) in which medium properties are constant. This equivalent replacement medium...
2015
Effects of Diagenesis on Reservoir Properties and Log Response, Upper Jurassic Taylor Sandstone, Cotton Valley Group, Lincoln Parish, Louisiana
Michael Trojan
GCAGS Transactions
... in the Taylor Sandstone has provided little resistance to these processes. By evaluating petrographic data in samples where detrital grain replacement...
1985
Stratigraphic relationships between the Middle Devonian Shell Lake Member and the Upper Winnipegosis reef mounds, Saskatchewan Sub-basin
Jichun Zhang, Katherine M. Bergman, Hairuo Qing
CSPG Bulletin
... of the reef mounds previously interpreted as the Shell Lake Member is diagenetic anhydrite that occurs as replacement of the Winnipegosis carbonate...
2004
The Diagenesis of Spherulitic Carbonate Concretions and other Rocks from Mangakahia Group Sediments, Kaipara Harbour, New Zealand
W. Andrew Hodgson
Journal of Sedimentary Research (SEPM)
... to 1 mm in diameter which make up the rock. The concretions, which range from 4 inches to 3 feet in diameter often retain a layer of cone in cone...
1968