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The AAPG/Datapages Combined Publications Database

Showing 650 Results. Searched 195,452 documents.

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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

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