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The AAPG/Datapages Combined Publications Database
Showing 650 Results. Searched 195,452 documents.
TAPHONOMIC BIAS OF SELECTIVE SILICIFICATION REVEALED BY PAIRED PETROGRAPHIC AND INSOLUBLE RESIDUE ANALYSIS
SARA B. PRUSS, JONATHAN L. PAYNE, SOPHIE WESTACOTT
PALAIOS
... abundant and well preserved fossils in residue. From each sample, we dissolved , 140–260 g of rock in , 200–400 mL 10% glacial acetic acid solution buffered...
2015
Constraining Temperatures of Formation and Composition of Dolomitizing Fluids In the Upper Devonian Nisku Formation (Alberta, Canada) With Clumped Isotopes
M. Isabel Millán, Hans Machel, Stefano M. Bernasconi
Journal of Sedimentary Research (SEPM)
... sulfate reduction is found in only a relatively small number of the TSR SD samples. This is because the fluid is buffered by interaction with the very...
2016
Geochemistry of Oil-Shale Genesis, Green River Formation, Wyoming
John Ward Smith
Wyoming Geological Association
... the water became carbonate-buffered rather than silica-buffered like sea water. An emphatic change in Tipton Member minerals probably marks this change...
1969
Petroleum Exploration in Queensland 1987
Michael A. Randal, Victor Suchocki
Petroleum Exploration Society of Australia (PESA)
...) and not on the OPEC official price of $US 18.00 for light crude. Two factors, however. some• what buffered the IPP from the major changes...
1987
Application of Organic/Inorganic Diagenesis to Porosity Prediction
Laura J. Crossey, Ronald C. Surdam, Richard Lahann
Special Publications of SEPM
.... Thus, the pH of oil field brines is more likely to be buffered by acetate than the carbonate system. Less abundant in brines are the difunctional...
1986
Modern Benthic Foraminifera from the Gyre Intraslope Basin, Northern Gulf of Mexico
Leslie A. Reynolds
GCAGS Transactions
.... DATA AND METHODS A box corer was used for sample collection on board the R/V Gyre, May 23,1980. Samples were soaked in a buffered solution of rose...
1982
Relationship of Sediment-size Distribution to Ecologic Factors in Buttonwood Sound, Florida Bay
George W. Lynts
Journal of Sedimentary Research (SEPM)
... was collected, and buffered formalin was added to prevent bacterial action. Grab samples were taken at a few stations in which sediment was too coarse...
1966
Permian Delaware Basin Wolfcamp A Formation Productivity Analysis and Technically Recoverable Resource Assessment
Qian Yang, Frank Male, Svetlana A. Ikonnikova, Katie Smye, Guin McDaid, Emery Goodman
Unconventional Resources Technology Conference (URTEC)
... block is calculated by subtracting buffered (0.5 mile, 0.8 km) faults and buffered (600 ft, ~180 m) existing wells. In addition, to URTeC 3167 5...
2020
Produced Water Chemistry Surveillance and Application in the Permian Basin
Wei Wang, Wei Wei, Mehrnoosh Saneifar, Baosheng Liang, Jason Parizek, Hanh Nguyen, Mauro Menconi, Fei Yang, Cameron Khalili
Unconventional Resources Technology Conference (URTEC)
... reservoir conditions. In most formation water, the Ca/Mg ratio is buffered by the following reaction equilibrium under reservoir conditions: 2...
2021
Chemistry of Biotite from the Noring Pluton, Stong Complex, North Peninsular Malaysia
Azman Abdul Ghani
Geological Society of Malaysia (GSM)
... buffered during crystallisation, £0 2 increasing (~O > 9%; Liew, 1983). However, Ti02 content with decreasing temperature. The plot shows SO 6.2 0 25...
1998
Geologic Significance of Microboring Fungi and Algae in Carolina Shelf Sediments: NOTES
Ronald D. Perkins, Susan D. Halsey
Journal of Sedimentary Research (SEPM)
.... Forty-two of these samples were fixed in buffered formaldehyde to preserve endolithic organisms which were subsequently isolated for study through...
1971
Fossil Tree Casts in South Louisiana Soils
Joann Mossa , B. A. Schumacher
Journal of Sedimentary Research (SEPM)
... soils and clays by a dithionite-citrate system buffered with sodium bicarbonate, in Seventh National Conference on Clay and Clay Minerals, Proceedings...
1993
Evaluating the Relationship Between Stoichiometry and Cation Ordering in Ancient Dolomites, #51660 (2020).
Cameron J. Manche, Stephen E. Kaczmarek,
Search and Discovery.com
..., and J. Najorka, 2019, Rock-Buffered Recrystallization of Marion Plateau Dolomites at Low Temperature Evidenced by Clumped Isotope Thermometry and X-Ray...
2020
Use of Clumped-Isotope Thermometry to Constrain the Crystallization Temperature of Diagenetic Calcite
Katharine W. Huntington, David A. Budd, Brian P. Wernicke, John M. Eiler
Journal of Sedimentary Research (SEPM)
... at temperatures of 94–123°C in a highly rock-buffered microenvironment (i.e., with the isotopic composition of fluid buffered by coexisting carbonate), millions...
2011
Cation Geothermometry and the Effect of Organic-Inorganic Diagenetic Reactions
Leta K. Smith, Thomas L. Dunn, Ronald C. Surdam
Special Publications of SEPM
... neither H nor CO enter However acetate the dominant CAA found in oilfield waters is an effective buffer reactions i e pH is buffered...
1996
Development Of Phylloid-Algal Carbonate Mounds During Regression: Expanding The Build-And-Fill Model
Stephan C. Oborny, Bradley D. Cramer, Philip H. Heckel, Gregory A. Ludvigson, Robert W. Henthorne
Journal of Sedimentary Research (SEPM)
... Paper 370, p. 5– 24. Jeppsson, L., and Anehus, R., 1995, A buffered formic acid technique for conodont extraction: Journal of Paleontology, v. 69, p...
2017
Dolomitization of a Carbonate Platform During Late Burial: Lower to Middle Cambrian Shady Dolomite, Virginia Appalachians
Roger J. Barnaby , J. Fred Read
Journal of Sedimentary Research (SEPM)
... carbonate, reflecting precipitation from warm formation fluids buffered by the host carbonate. Uniformly low Sr contents (25 to 65 ppm) and nonradiogenic...
1992
Frio Sandstone Diagenesis, Texas Gulf Coast: A Regional Isotopic Study: Part 1. Concepts and Principles
Lynton S. Land
AAPG Special Volumes
... of the water was buffered by the clay reaction. As stated by Milliken et al, (1981), the lack of quartz overgrowths in outcrop samples, and the general rarity...
1984
Multiple Episodes of Dolomitization in the Arbuckle Group, Arbuckle Mountains, South-Central Oklahoma: Field, Petrographic, and Geochemical Evidence
G. Gao , L.S. Land , R.D. Elmore
Journal of Sedimentary Research (SEPM)
... of the seawater were buffered by Late Cambrian sediments. The low 18O values (-7.2 to -11.9) of stratal dolomite in the Arbuckle Group are, however...
1995
Microbial Kinetic Controls on Calcite Morphology in Supersaturated Solutions
Tanja Bosak, Dianne K. Newman
Journal of Sedimentary Research (SEPM)
... under an anaerobic atmosphere of 0.8 atm N2, 0.15 atm CO2, and 0.05 atm H2 in bicarbonate-buffered anaerobic G20 basal medium at 25°C...
2005
Upper Cretaceous Shannon Sandstone Reservoirs, Powder River Basin, Wyoming: Evidence for Organic Acid Diagenesis? (1)
PAULA L. HANSLEY and VITO F. NUCCIO
AAPG Bulletin
... extensive dissolution of aluminosilicate grains. At the temperatures of deep Shannon reservoirs, alkalinity was buffered by organic acid anions so...
1992
Meteoric Modification Of Early Dolomite And Late Dolomitization By Basinal Fluids, Upper Arbuckle Group, Slick Hills, Southwestern Oklahoma (1)
GUOQIU GAO , LYNTON S. LAND , and ROBERT L. FOLK
AAPG Bulletin
... dolomite samples are characterized by low delta{18}O values (-5.1 to -10.0 o/oo PDB), indicating postdepositional modification. Meteoric water, buffered...
1992
Quartz Cementation in Sedimentary Basins
K. Bjorlykke , P. K. Egeberg
AAPG Bulletin
... the rate of quartz cementation by a factor of 30 to 300, depending on the pH of the pore water, which is assumed to be buffered by the silicate minerals...
1993
Carbonate porosity creation by mesogenetic dissolution: Reality or illusion?
Stephen N. Ehrenberg, Olav Walderhaug, Knut Bjorlykke
AAPG Bulletin
... and buffered by carbonates, providing little opportunity for the preservation of significantly undersaturated water chemistry during upward flow, even...
2012
CLASTIC-CARBONATE FACIES RELATIONSHIPS AND PALEOENVIRONMENTS IN UPPER ORDOVICIAN ROCKS OF NORTHEAST ALABAMA
Allan M. Thompson
Alabama Geological Society
.... This suggests that desiccation was less prolonged in these areas, and that these flats were more frequently flooded and buffered to relatively low Eh...
1971