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The AAPG/Datapages Combined Publications Database
Showing 675 Results. Searched 200,621 documents.
Strontium isotopes as a potential fingerprint of total dissolved solids associated with hydraulic-fracturing activities in the Barnett Shale, Texas
Richard B. Goldberg, and Elizabeth M. Griffith
Environmental Geosciences (DEG)
... and interlayer cations from low-charge clay structures by using 1 N ammonium acetate (AA) buffered to pH 8 with ammonium hydroxide. The sample was shaken...
2017
Use of Quartz Microtextural Analysis To Assess Possible Proglacial Deposition For the Pennsylvanian–Permian Cutler Formation (Colorado, U.S.A.)
Leslie J. Keiser, Gerilyn S. Soreghan, Michal Kowalewski
Journal of Sedimentary Research (SEPM)
... buffered by sodium carbonate: Clays and Clay Mineralogy, v. 7, p. 317–327. Moore, K.D., Soreghan, G.S., and Sweet, D.E., 2008, Stratigraphic...
2015
Nano-Crystal Formation of TiO2 Polymorphs Brookite and Anatase Due To Organic—Inorganic Rock–Fluid Interactions
Hans-Martin Schulz, Richard Wirth, Anja Schreiber
Journal of Sedimentary Research (SEPM)
...e samples (Fig. 8A). Conditions of acidic pore water would be buffered in the presence of carbonate such as calcite, which occurs in all investigate...
2016
Enhanced Recovery from A Tight Gas Sand Through Hydraulic Refracturing: Codell Formation, Wattenberg Field, Colorado
T.J. Birmingham, D.M. Lytle, R.N. Sencenbaugh
Rocky Mountain Association of Geologists
..., buffered to a high pH, was chosen due to its superior viscosity retention in a high temperature regime. Open-hole log, microfrac, and reverse-steprate...
2001
Carbonate Diagenesis Of The Arbuckle Group North Central Oklahoma To Southeastern Missouri
Britney J. Temple, Phillip A. Bailey, Jay M. Gregg
Oklahoma City Geological Society
... represent a recrystallization texture they are expected to display the late diagenetic isotope signature buffered by the early diagenetic signature...
2020
Depositional Setting and Groundwater Quality in Coal-Bearing Sediments and Spoils in Western North Dakota
Gerald H. Groenewold, Bernd W. Rehm, John A. Cherry
Special Publications of SEPM
... the oxidation of very finely dissemin ated pyrite The pH is buffered by the dissolution chemical decay of carbonate minerals Evapotranspiration causes...
1981
Scour-depth variability controls channel-scale stratigraphy in experimental braided rivers
Feifei Zhao, Vamsi Ganti, Ajay B. Limaye
Journal of Sedimentary Research (SEPM)
... of external changes in water discharge and stream power are likely buffered in channel-depth variations and preserved unit thickness, and channel-belt...
2024
Paleoenvironmental Implications of Oceanic Carbonate Sedimentation Rates
Thomas A. Davies, Thomas R. Worsley
Special Publications of SEPM
... possible a well buffered system in quasi that our having broken into uniform 3 m y increments Continental pelagic area carbonate...
1981
Floodplain topography and avulsion pathfinding control stratigraphic architecture in a numerical model of a fluvial fan
Caitlin Sifuentes, Harrison K. Martin, Kyle M. Straub, Elizabeth A. Hajek, Douglas A. Edmonds
Journal of Sedimentary Research (SEPM)
..., K.M., Duller, R.A., Foreman, B.Z., and Hajek, E.A., 2020, Buffered, incomplete, and shredded: the challenges of reading an imperfect stratigraphic...
2025
Field testing autogenic storage thresholds for environmental signals in the strata of the Mississippi River Delta, U.S.A.
Udita Mukherjee, Kyle M. Straub
Journal of Sedimentary Research (SEPM)
... sedimentary deposits: Journal of Sedimentary Research, v. 79, p. 673–688. Straub, K.M., Duller, R.A., Foreman, B.Z., and Hajek, E.A., 2020, Buffered...
2025
Bioturbation in a Dysaerobic, Bathyal Basin: California Borderland
Brian D. Edwards
Special Publications of SEPM
... chloride solution in sea water for I hour to relax the contained macrofauna prior to their preservation in a 10 percent buffered formalin solution After 24...
1984
Distribution Patterns of Recent Microbial Endoliths in the Intertidal and Supratidal Zones Bermuda
E. J. Hoffman
Special Publications of SEPM
... in the field with buffered 4 formaldehyde Microscopic Methods laboratory the samples were subdivided prepared for light microscopy or scanning electron...
1984
Burial formation of turbidite-hosted carbonate concretions of Ridge Basin, California, U.S.A., driven by the combined effects of thermal decarboxylation and detrital silicate alteration
Tracy D. Ortega, Adam D. Woods, Aradhna K. Tripati, Bayne Westrick-Snapp, Sean J. Loyd
Journal of Sedimentary Research (SEPM)
... carbonate dissolution (e.g., Soetaert et al. 2007) in fluids that are not externally buffered (e.g., Surdam et al. 1984). Neutralization of this CO2...
2025
Geothermometers for Predicting Temperatures During Steam-Assisted Oil Recovery in the Oil Sands Reservoirs of the Mannville Group, Alberta
William D. Gunter, Brian Wiwchar, Larry Holloway
CSPG Special Publications
... and a borax buffered basic aqueous solution were used. We decided not to consider the borax experiments because they introduce an additional component (i.e....
1997
Some Speculations on the Development of Central Wyoming as a Uranium Province
W. W. Boberg
Wyoming Geological Association
... concentrations of uranium and other elements, depending on the area being leached, which would mix with the normal groundwater of the day and be buffered...
1981
Mineral Resources of Permian and Pennsylvanian Rocks in Wyoming
Ray E. Harris, W. Dan Hausel
Wyoming Geological Association
... in phosphatic sediments is generally proportional to the phosphate content (McKelvey, 1956). Because uranium in sea water is buffered by its phosphate content...
1984
Sedimentology, Diagenesis and Thermal Effects on Petrophysical Properties in the Aberfeldy Field, Saskatchewan
Ian Hutcheon, Rene Lefebvre
CSPG Bulletin
... is buffered and, most important of all, the concentration of decomposable organic matter is high enough to generate CO2. Irwin et al. (1977) note...
1988
Clay Coats: Occurrence and Relevance to Preservation of Porosity in Sandstones
Edward D. Pittman, Richard E. Larese, Milton T. Heald
Special Publications of SEPM
... contained porous as well as calcite cemented sand Pieces of each rock type were treated with a buffered solution of sodium acetate acetic acid...
1992
Evidence for Paleomagnetic Dating of Diagenesis by Basinal Fluids, Ordovician Carbonates, Arbuckle Mountains, Southern Oklahoma
R Douglas Elmore, David London, Don Bagley, Guoqiu Gao
Special Publications of SEPM
... if buffered or were and precipitation These inclusions secondary magnetization were alteration The calcite of growth and chang however...
1993
Hydrotectonic Models of Burial Diagenesis in Platform Carbonates Based on Formation Water Geochemistry in North American Sedimentary Basins
Ezat Heydari
Special Publications of SEPM
... follow either one of two paths In the absence of hydrocarbons 611C compositions of pore waters are buffered by host carbonates and change little...
1997
Dispersion of tailings from the Stirling Zn-Pb-Cu mine site, Cape Breton Island, Nova Scotia
A. H. M. Hulshof, A. S. Macdonald
Atlantic Geology
... The contrast in pH between ~5.6 upstream and ~6.6 down stream suggests that Strachans Brook is being buffered by influx ofpH-neulral water from the tailings...
1998
Dolomitization of Mississippian Carbonates in the Shell Waterton Gas Field, Southwestern Alberta: Insights from Paleomagnetism, Petrology and Geochemistry
Michael T. Lewchuk,, Ihsan S. Al-Aasm,, David T.A. Symons, Kevin P. Gillen
CSPG Bulletin
... 18O values with mean of -- 10.05 ‰ PDB. In most dolomites carbon isotopes appear to be buffered by the precursor carbonates and so retain...
1998
Seasonal Distributions of Foraminifera and Their Implications for Sea-Level Studies, Cowpen Marsh, U.K.
Benjamin P. Horton, Robin J. Edwards
Special Publications of SEPM
... stored in buffered ethanol using Harben (1993), we assumed that infaunal foraminifera did not the protein stain rose Bengal to identify organisms...
2003
Diagenetic Evolution and Associated Mineralization in Middle Devonian Carbonates, Southwestern Ontario, Canada
Omid Haeri-Ardakani, Ihsan Al-Aasm, Mario Coniglio, Iain Samson
CSPG Bulletin
... Devonian marine carbonates or were buffered by these carbonates. Given that the oxygen isotopic composition of Middle Devonian seawater is estimated...
2013
13 SEM Observations on Ion-milled Samples of Devonian Black Shales from Indiana and New York: The Petrographic Context of Multiple Pore Types
Juergen Schieber
AAPG Special Volumes
..., are carbonate rich (unpublished data, L.B. Smith), the system was well buffered against strong pH excursions (unlike the generally carbonate-poor New...
2013