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The AAPG/Datapages Combined Publications Database
Showing 675 Results. Searched 200,626 documents.
Preservation of protists within decaying plants from geothermally influenced wetlands of Yellowstone National Park, Wyoming, United States
Alan Channing, Daniel E. Wujek
PALAIOS
... SEM stubs and air dried overnight. Eleocharis rostellata stems were fixed in the field with phosphate-buffered glutaraldehyde and air dried prior...
2010
Application of a Geographical Information System for Risk Assessment on Open Ocean Beaches: Collaroy/Narrabeen Beach, Sydney, Australia—An Example
Catharina A. Greve, Peter J. Cowell, Bruce G. Thom
Environmental Geosciences (DEG)
... of buffered hazard zones (Figures 3 and 4). Figure 3. Hazard Scenario 1 for Collaroy/Narrabeen Beach. Figure 4. Hazard Scenario 2 for Collaroy/Narrabeen...
2000
Expression of the Colorado Mineral Belt in Upper Cretaceous Niobrara Formation Source Rock Maturity Data from the Denver Basin
David J. Thul, Stephen A. Sonnenberg
Rocky Mountain Association of Geologists
... that indicates exploration potential. The data were buffered to reflect the findings of earlier crossplotting, with the results that areas...
2018
Distribution of Modern Brackish-Water Foraminifera in Trinity Bay
Kenneth F. Wantland
Houston Geological Society
... Trinity Bay and subaerial portions of the Trinity River Delta. The samples were preserved with buffered formalin at the time of collection...
1969
Preliminary modeling of the long-term fate of CO2 following injection into deep geological formations
Brian R. Strazisar, Chen Zhu, Sheila W. Hedges
Environmental Geosciences (DEG)
... high by consuming H+. In the case illustrated in the model, the pH is buffered by the minerals in the matrix (albite, annite, and K-feldspar). As shown...
2006
Montoya Conventional Core Description, Depositional Lithofacies, Diagenesis and Thin Section Petrography from the Pure Resources, Inc., Dollarhide Unit 25-2-S, Andrews County, Texas
Fred H. Behnken
West Texas Geological Society
... parallel to the existing cut face of the core approximately a foot long. Samples were processed using buffered formic acid, washed through a 230 standard...
2003
AN ACTUALISTIC EXPERIMENT TO DETERMINE SKELETONIZATION AND DISARTICULATION IN THE LA BREA TAR SEEPS
CAITLIN BROWN, EMILY CURD, ANTHONY FRISCIA
PALAIOS
... green indicates the maximum distance between communities. below the surface layer of tar. Perhaps, once covered in tar, the bones were buffered from...
2017
PYRITIZED CRYOGENIAN CYANOBACTERIAL FOSSILS FROM ARCTIC ALASKA
KELSEY R. MOORE, TANJA BOSAK, FRANCIS MACDONALD, KIMBERLY DU, SHARON A. NEWMAN, DANIEL J. G. LAHR, SARA B. PRUSS
PALAIOS
... in a solution of 10% HCl to remove any surficial contaminants, and was then dissolved in a solution of 10% acetic acid buffered with 0.65 M hydrated...
2017
Low pressure metamorphism in the Orrs Island - Harpswell Neck area, Maine
Gilbert R. Dunn, Helen M. Lang
Atlantic Geology
...; therefore, tie-lines to garnet are dashed in Figure 4c. The four AFM phase assemblage, Chl+Bt+St+And, may have buffered fH in the metamorphic fluid...
1988
SMALL SHELLY FOSSIL PRESERVATION AND THE ROLE OF EARLY DIAGENETIC REDOX IN THE EARLY TRIASSIC
SARA B. PRUSS, NICHOLAS J. TOSCA, COURCELLE STARK
PALAIOS
... and grainstone with silicified fossils were dissolved in 200–400 mL 10% glacial acetic acid solution 443 buffered with ammonium acetate. In six samples...
2018
Durophagous fish predation traces versus tumbling-induced shell damage-a paleobiological perspective
Mariusz A. Salamon, Tomasz Brachaniec, Przemys?aw Gorzelak
PALAIOS
..., the gastropods and the brachiopods were killed by a brief immersion into a buffered saltwater formalin solution, which has no effect on the skeletal structural...
2020
Diagenesis of Volcanic Sandstones
Ronald C. Surdam, James R. Boles
Special Publications of SEPM
... environment aSi02 a H In many of the pore fluids the ratio ac 2 At fixed T P is buffered by calcite this ratio in a fluid in equilibrium with calcite...
1979
How Low Can You Go? Quality Vs. Cost in Guar-Borate Fracturing Fluids
Eli Schnoor, Jason Maxey, Aaron Russell
Unconventional Resources Technology Conference (URTEC)
..., and Card, R.J. 1997. New pH-Buffered Low-Polymer Borate-Crosslinked Fluids. SPE Journal 2 (02): SPE-35638-PA. http://dx.doi.org/10.2118/35638-PA...
2016
Enzyme Treatments Greatly Enhance Production on Horizontal Completions in Indonesia
Rick Stanley, Juan Troncoso, Phil Rae
Indonesian Petroleum Association
... a buffered, organic acid fluid. The organic acid reacts with the calcium carbonate portion of the filter cake as the enzyme simultaneously acts on the starch...
2000
Clay Mineralogy and Clay-Mineral Provenance of Cretaceous and Paleogene Strata, Labrador and Baffin Shelves
Richard N. Hiscott
CSPG Bulletin
... Petroleum Geology, v. 28, p. 460-488. Mehra, O.P. and Jackson, M.L. 1960. Iron removal from soils and clays by a dithionite-citrate system buffered...
1984
Stable Isotopic Composition of Authigenic Carbonates from the Albian Harmon Member (Peace River Formation): Evidence of Early Diagenetic Processes
John Bloch
CSPG Bulletin
... analyses. Rock powders were washed in 6% NaOCl solution buffered to near neutral pH with 3.7% NaHCO3 at 50°C for 48 hours to remove organic matter. After...
1990
Porosity in Carbonate Slope and Basin Facies (Permian): Can It Be Predicted?
S. J. Mazzullo
West Texas Geological Society
... in the relative amounts of undersaturated versus saturated (i.e., buffered) fluids, and/or the waning stages of generation of chemically-aggressive...
1994
Petrography, Stable Isotope Geochemistry and Diagenesis of Miocene Sandstones, Vermilion Block 31, Offshore Louisiana
E.F. McBride , L.S. Land , T.N. Diggs , L.E. Mack
GCAGS Transactions
..., plagioclase dissolved but nearby foraminifera did not. The formation water at the time of feldspar dissolution must have been buffered by the abundant...
1988
Fine-Grained Terrigenous Sediment Supply and Dispersal in the Gulf of California During the Last Century: Chapter 28: Part V. Physical Oceanography, Primary Productivity, Sedimetology
Jumpei Baba, Curt D. Peterson, Hans J. Schrader
AAPG Special Volumes
... was first treated with H2O2 and acetic acid (buffered to pH = 4.8) to remove organic matter and carbonates. After each sample was cleaned by repeated...
1991
Depositional Interpretation of Limestone Insoluble Residues from Modern and Ancient Carbonate Rocks, Caribbean and Southern United States
Wayne C. Isphording , Maria E. Bundy , Sheri M. George , R. Bradford Jackson
GCAGS Transactions
... is reached first and no gibbsite forms. The result is that in any system buffered for all values of pH below 8, Gardner concluded that gibbsite cannot form...
1995
Development and Improvement of Organic Salt Solutions of Potassium Citrate As An Environmentally Friendly Completion Fluids for Oil and Gas Wells
Usman, W.S. Panca, IGN. Widiantara, H. Arie, S. Budi
Indonesian Petroleum Association
... certain conditions and then stabilized and buffered to obtain high density and stability of ionic solubility, thereby meeting the requirements...
2021
Diurnal Variations in the Carbonate Saturation of Seawater
Robert F. Schmalz, Frederick J. Swanson
Journal of Sedimentary Research (SEPM)
... dioxide are reflected almost immediately by changes in pH, even in such well-buffered solutions as seawater. Diurnal pH variations may therefore...
1969
Chapter 8: Fluid Sensitivity Analyses in Tight Sandstones—When Rocks Behave Badly
Margaret Lessenger, Bobby Sullivan, Kurtus Woolf, Darrin Burton
AAPG Special Volumes
... on a stub for SEM imaging. Samples were treated with brine with 1.5% NaCl, 1.5% KCl, 4% NaCl, and 4% KCl. We buffered these solutions to a pH of 8.2–8.5...
2016
Pore Fluids of Recent Marine Sediments: I., Oxidizing Sediments of 20° N, Continental Rise to Mid-atlantic Ridge
James L. Bischoff, Teh-lung Ku
Journal of Sedimentary Research (SEPM)
..., with pore water concentrations buffered by the clays but with ultimate source as siliceous organisms. Boron and Lithium Both boron and lithium in pore...
1970
Early Diagenesis of Clay Minerals, Rio Ameca Basin, Mexico
James I. Drever
Journal of Sedimentary Research (SEPM)
... removal from soils and clays by a dithionite citrate system buffered with sodium bicarbonate. In Clays and Clay Minerals, Proceedings of the 7th National...
1971