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The AAPG/Datapages Combined Publications Database
Showing 650 Results. Searched 195,452 documents.
Sequence Stratigraphy, Carbon Isotopic Signature, and Dolomitization of a Late Jurassic Greenhouse Platform, Croatia, #50345 (2010)
Antun Husinec, J. Fred Read
Search and Discovery.com
.... Most of the dolomite carbon isotopes are rock buffered Outliers suggest some modification by meteoric waters or sulfate reduction Dolomite...
2010
Deformation in the Appalachian Foreland: Detachment Structures in the Basal Marcellus Shale, Central New York; #110146 (2011)
Bruce Selleck
Search and Discovery.com
... and dolomite are rock-buffered, hi-δ18O fluids – T = 180-130ºC carbonate from methane oxidation/meteoric water in late fracture fill Key point: W E Quartz...
2011
Extracting the Silicate Mineral Fraction from Ancient Carbonate: Assessing the Geologic Record of Dust
Sohini Sur, Michael J. Soreghan, Gerilyn S. Soreghan, Alice F. Stagner
Journal of Sedimentary Research (SEPM)
.... Mehra, O.P., and Jackson, M.L., 1960, Iron oxide removal from soils and clays by a dithionite citrate system buffered with sodium bicarbonate: Clays...
2010
Utilizing Real-Time Monitoring to Limit Corrosion in Frac Iron Strings A Case Study of Corrosion in the Permian and Appalachian Basins
Scott Rutherford, Juan Hurtado, Michael Mayer
Unconventional Resources Technology Conference (URTEC)
... decrease in corrosion based on the level of pH change between unbuffered fluid and buffered fluid. Figure 11. Stage comparison between buffer and non...
2020
Pore Fluids of Recent Marine Sediments: II., Anoxic Sediments of 35° to 45°N Gibraltar to Mid-Atlantic Ridge
James L. Bischoff, Teh-Lung Ku
Journal of Sedimentary Research (SEPM)
... for diatom solubility. As discussed previously (Bischoff and Ku, 1970) pore water SiO2 levels must be buffered by as yet undetermined silicate minerals...
1971
Diagenetic Stabilization of Aragonite and Low-Mg Calcite, II. Stable Isotopes in Rudists
Ihsan S. Al-Aasm, Jan Veizer
Journal of Sedimentary Research (SEPM)
.... The carbon values in these waters were buffered by the dissolving aragonites. In contrast, those originally aragonitic skeletal components which were...
1986
Secondary Porosity in Laumontite-Bearing Sandstones: Part 2. Aspects of Porosity Modification
Laura J. Crossey, B. Ronald Frost, Ronald C. Surdam
AAPG Special Volumes
... in Teflon vials and 5 ml buffered solution added (Na-acetate barbitol buffers were used). Samples were analyzed after 2 weeks of constant agitation...
1984
Origin of Fault-Fracture-Related Dolomitisation, Mississippian Limestones, Isle of Man, UK; #50825 (2013)
Jim Hendry, Jay Gregg, Kevin Shelton, Ian Somerville, and Steve Crowley
Search and Discovery.com
... but diverse Th (98-223°C) and salinity (15-24 wt% NaCl eq.) values. In contrast, δ 13C values are largely rock-buffered (-2 to +3‰ VPDB). Analyses...
2013
The Coming Commodity Super Cycle; #11375 (2023)
William DeMis
Search and Discovery.com
... return little energy. Biofuels return less 2 times the energy invested. The buffered EROI for wind is 8, and the buffered EROI for solar is 2. Gas...
2023
A tale of three fluids: Fluid-inclusion and carbonate clumped-isotope paleothermometry reveals complex dolomitization and dedolomitization history of the Latemar platform
Mathias Mueller, Benjamin F. Walter, Peter K. Swart, Niels Jöns, Carl Jacquemyn, Onyedika A. Igbokwe, Adrian Immenhauser
Journal of Sedimentary Research (SEPM)
... to Mineralogy and Petrology, v. 176, p. 1–22. Veillard, C.M.A., John, C.M., Krevor, S., and Najorka, J., 2019, Rock-buffered recrystallization of Marion...
2022
Geochemistry of CO2 sequestration in the Jurassic Navajo Sandstone, Colorado Plateau, Utah
W. T. Parry, Craig B. Forster, J. P. Evans, Brenda Beitler Bowen, Marjorie A. Chan
Environmental Geosciences (DEG)
... in a sharp drop in pH to 5.9 and increases in alkalinity and dissolved Fe. The solution of carbonate and iron oxyhydroxides buffered the pH, which...
2007
Geochemical Imprint of Meteoric Diagenesis in Holocene Ooid Sands, Schooner Cays, Bahamas: Correlation of Calcite Cement Geochemistry with Extant Groundwaters
David A. Budd, Lynton S. Land
Journal of Sedimentary Research (SEPM)
... and incursions of brackish waters. The pore-water oxygen reservoir is water-buffered and derived from meteoric rainfall and seawater mixing, but is seasonally...
1990
Meteoric diagenesis and fluid-rock interaction in the Middle Permian Capitan backreef: Yates Formation, Slaughter Canyon, New Mexico
James W. Bishop, David A. Osleger, Isabel P. Montañez, and Dawn Y. Sumner
AAPG Bulletin
..., indicating that it precipitated from diagenetic fluids under mostly fluid-buffered conditions. Values for dolomites are consistent with those measured...
2014
Control of Clay-Mineral Stratigraphy by Selective Transport in Late Pleistocene-Holocene Sediments of Northern Cascadia Basin--Juan De Fuca Abyssal Plain: Implications for Studies of Clay-Mineral Provenance
Bobb Carson, Nicholas P. Arcaro
Journal of Sedimentary Research (SEPM)
.... L., 1960, Iron oxide removal from soils and clays by a dithionite-citrate system buffered with sodium bicarbonate, in Swineford, A., ed., Proc. Clays...
1983
Rb-Sr Ages of Glauconite Recrystallization: Dating Times of Regional Emergence Above Sea Level
John P. Morton, Leon E. Long
Journal of Sedimentary Research (SEPM)
... different pretreatments as a means to remove loosely bound, exchangeable Rb and Sr. These reagents were dilute HCl, dilute buffered HOAc, Na-EDTA...
1984
Replacement of Aragonite by Quasi-Rhombohedral Dolomite in a Late Pleistocene Tufa Mound, Great Salt Lake, Utah, U.S.A.
Vicki A. Pedone , J.A.D. Dickson
Journal of Sedimentary Research (SEPM)
...-buffered diagenetic system, where much of the bicarbonate and Ca were supplied by dissolution of aragonite and Mg from the lake water. Preservation...
2000
A Model for the Origin of Large Carbonate- and Evaporite-Hosted Celestine (SrSO4) Deposits
Jeffrey S. Hanor
Journal of Sedimentary Research (SEPM)
... of Sr and Ba during burial diagenesis. The concentration of Sr in subsurface sedimentary fluids is buffered by silicate-carbonate mineral assemblages...
2004
Microbialite Formation in Seawater of Increased Alkalinity, Satonda Crater Lake, Indonesia: REPLY
Gernot Arp, Andreas Reimer, Joachim Reitner
Journal of Sedimentary Research (SEPM)
...). These are artificial precipitates, because air-dried subsamples show these precipitates, whereas microtome sections of subsamples fixed by pH-buffered 4%-formol...
2004
Origins of Grosmont Formation Dolomite (Northeast Alberta): Modelling the Results of Geochemical Analysis
P. A. Larson
Dallas Geological Society
... would have been in equilibrium with -3 to -5 water.**** However, it is difficult to imagine that this system could have been strongly rock-buffered given...
1988
Radiolarian Response to the 1983 California El Nino
T. L. Carson
Pacific Section SEPM
.... Captured microplankton was preserved in buffered formalin and stored in plastic bottles. Each of the samples was decanted into a graduated cylinder...
1986
INPEX-Led Ichthys Joint Venture - Developing a Dynamic Adjustment Area to Identify, Time, Duration and Potential Exposure Periods Related to a 2D Seismic Survey offshore Western Australia
Jake Prout, Paul Miller, Shane O’Donoghue
Australian Petroleum Production & Exploration Association (APPEA) Journal
... was then per formed between all buffered points and the DPIRD 10 nm grid, producing a GIS layer containing all intersected adjust ment zones, each...
2022
Origins of Grosmont Formation Dolomite (Northeast Alberta): Modelling the Results of Geochemical Analysis
P. A. Larson
CSPG Special Publications
... would have been in equilibrium with -3 to -5 water.**** However, it is difficult to imagine that this system could have been strongly rock-buffered given...
1988
Radiolarian Ratios and the Pleistocene-Holocene Boundary
Kenneth J. McMillen
GCAGS Transactions
... closing net with a mesh size of 76 µ, are preserved in buffered formaldehyde solution containing rose bengal, a protein stain used to distinguish...
1979
The Geochemistry of Shoshone Geyser Basin, Yellowstone National Park
A. H. Truesdell, J. M. Thompson
Wyoming Geological Association
... in the water depends on the temperature, partial pressure of CO2, and the pH of the water, which is buffered by aluminosilicate mineral pairs...
1982
Mineralogical and Physical Changes that Control Pore-Scale Shale-Gas Properties
Adam D. Jew, Anna L. Harrison, Andrew M. Kiss, Megan K. Dustin, Claresta Joe-Wong, Dana L. Thomas, Katharine Maher, Gordon E. Brown Jr., David Cercone, John R. Bargar
Unconventional Resources Technology Conference (URTEC)
... samples (Eagle Ford and Green River) buffered the solution pH to circumneutral within the first 48 h of reaction (Figure 1). Due to lower surface area...
2017