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The AAPG/Datapages Combined Publications Database
Showing 11,103 Results. Searched 200,616 documents.
High-Alumina Glaucony from the Middle Cambrian of Oland and Bornholm, Southern Baltoscandia
Vivianne Berg-Madsen
Journal of Sedimentary Research (SEPM)
... water. All progressive stages of weathering from glaucony to goethite are found in the Kalby Member of the Exsulans Ls. Fm. A new morphological type...
1983
Assessment of Subsurface Geology in the Mosida Hills, Utah County, Utah, by Integrating Gravity and Magnetic Data
Alvin K. Benson, Andrew R. Floyd
Utah Geological Association
... density, valley-fill sediments. The depth of the valley fill would therefore provide a minimum value of vertical offset. Because of the large density...
1999
The Geophysical Aspects of Abnormal Fluid Pressures
Edward B. Reynolds, John E. May, Alf Klaveness
Houston Geological Society
...-surface effects (weathering and water depth errors). These effects can produce either higher or lower RMS velocities than the vertical average velocity...
1971
High Resolution Magnetic Polarity Stratigraphic Study of the Miocene Monterey Formation of California--Results From Shell Beach Section, Pismo Basin: Paleoclimatic, Paleoceanographic, and Tectonic Implications
S. Khan Omarzai, R.S. Coe, J.A. Barron
Circum Pacific Council Publications
...) and dip gently (30°-50°) in a northerly direction. For a more detailed discussion of the stratigraphy in the Pismo basin area, see Hall (1973) and Surdham...
1996
Multiscale (nano to mm) Porosity in the Eagle Ford Shale: Changes as a Function of Maturity
Lawrence M. Anovitz, David R. Cole, Alexander M. Swift, Julia Sheets, Harold W. Elston, Susan A. Welch, Steve J. Chipera, Ken C. Littrell, David F. Mildner, Matthew Wasbrough
Unconventional Resources Technology Conference (URTEC)
... the accuracy, reliability, or timeliness of any information herein. All information is the responsibility of, and, is subject to corrections...
2014
Seismic Exploration in the Rockies - Some Reflections
John M. Parker
Rocky Mountain Association of Geologists
..., was a process of identifying reflection patterns and correlating them throughout the area. Corrections for reflection travel time through the weathered near...
1985
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
...–176. Manin, M., and F. Hun, 1992, Comparison of seismic results after dip and strike acquisition: 54th Annual EAEG Conference and Exhibition, Extended...
2011
Assessing paleoecological data retention among disparate field collection regimes: a case study at the Mygatt-Moore Quarry (Morrison Formation)
Julia B. McHugh, Stephanie K. Drumheller, Miriam Kane, Anja Riedel, Jennifer H. Nestler
PALAIOS
... grids containing bone surface modifications. FIG. 4.—Morphological compositions of specimens within data cohorts. calculations, we used a 95% confidence...
2023
Elemental Mobility in Sandstones Duping Burial: Whole-Rock Chemical and Isotopic Data, Frio Formation, South Texas
K.L. Milliken, L.E. Mack, L.S. Land
Journal of Sedimentary Research (SEPM)
... of detrital feldspars. 87Sr/86Sr ratios for whole-rock and silicate fractions increase with depth as loss of nonradiogenic strontium characteristic...
1994
Chromium and Nickel in Shale of the Taconic Foreland: A Case Study for the Provenance of Fine-Grained Sediments with an Ultramafic Source
J. I. Garver, P. R. Royce , T. A. Smick
Journal of Sedimentary Research (SEPM)
..., AND CONDIE, K.C., 1987, Geochemistry of Archean shales from the Witwatersrand Supergroup, South Africa: Source area weathering and provenance: Geochimica...
1996
Multicomponent Analysis of FTIR Spectra: Quantification of Amorphous and Crystallized Mineral Phases in Synthetic and Natural Sediments
Jacques Bertaux , Francois Frohlich , Philippe Ildefonse
Journal of Sedimentary Research (SEPM)
... Bertaux , Francois Frohlich , Philippe Ildefonse 1998 Vol. 68 (1998), No. 3. (May), The study of weathering and erosion processes requires...
1998
Deposition and Diagenesis of Upper Miocene Arkoses, Yowlumne and Rio Viejo Fields, Kern County, California
Thomas T. Tieh , Robert R. Berg , Robert K. Popp , James E. Brasher , John D. Pike
AAPG Bulletin
... in a depth range of 11,250 to 14,300 ft (3,430 to 4,360 m). Quartz and feldspar constitute more than 90% of the detrital mineralogy. However, in the Yowlumne...
1986
Reservoir Variations At Upper Valley Field Garfield County, Utah
George C. Sharp
Rocky Mountain Association of Geologists
... and slightly east of the axial trace of the anticline. This dry hole was drilled to a total depth of 7114 ft in the White Rim Formation and tested gas-cut mud...
1976
High Quality Volcaniclastic Sandstone Reservoirs in East Java, Indonesia
Peter Willumsen, David M. Schiller
Indonesian Petroleum Association
..., decreasing to approximately 20% at a depth of 7,500 feet. Permeability ranges between 3–550md in the Porong-1 well, averaging 100md at shallow depths...
1994
Repeatability of Three Instruments Used to Determine the Undrained Shear Strength of Extremely Weak, Saturated, Cohesive Sediments
Joseph H. Kravitz
Journal of Sedimentary Research (SEPM)
... of sediment micro-structure. Preferably all samples were to be taken within a few centimeters of each other and from the same depth in the sediment to reduce...
1970
Tectonically Controlled Diagenesis and Fluid Evolution in Al Khlata Reservoir Sandstones, Sultanate of Oman
Karl Ramseyer, Katalin Juhász-Bodnár, Carsten Büker, Peter Hoppe, Albert Matter, Jos Terken, Joachim E. Amthor, Frauke Driehorst
AAPG Special Volumes
... for the Al Khlata Formation (Pennsylvanian to Lower Permian), South Oman: Palynology, v. 32, p. 213–229. Ramm, M., and K. Bjørlykke, 1994, Porosity/depth...
2019
Floodplain taphonomic mode of early Miocene vertebrates of southern Patagonia, Argentina
Claudia I. Montalvo, M. Sol Raigemborn, Rodrigo L. Tomassini, Luciano Zapata, M. Susana Bargo, M. Celeste MartÃnez Uncal, Sergio F. VizcaÃno
PALAIOS
... (e.g., trampling, weathering). The loss of skeletal elements is linked to the action of water flows generated in the plain, during overbank floods...
2019
Pedogenic Mud Aggregates Preserved In A Fine-Grained Meandering Channel In the Lower Permian Clear Fork Formation, North-Central Texas, U.S.A.
Sharane S.T. Simon, Martin R. Gibling
Journal of Sedimentary Research (SEPM)
...: Zeitschrift für Geomorphologie, Supplementband 122, p. 113– 139. Goudie, A.S., 2013, Rock Weathering and Desert Surfaces, Chapter 2, in Goudie...
2017
Microbialite Formation in Seawater of Increased Alkalinity, Satonda Crater Lake, Indonesia
Gernot Arp, Andreas Reimer, Joachim Reitner
Journal of Sedimentary Research (SEPM)
... results in the formation of "Wetheredella-like" structures. Hydrochemistry data and model calculations indicate that CO2 degassing after seasonal mixis...
2003
Problems Frequently Encountered in Evaluating Tar Sand Resources--The South Texas San Miguel Deposit: Section V. Exploration Histories
M. W. Britton
AAPG Special Volumes
... calculations. In no way is this meant to infer that physical and chemical properties of the oil (viscosity, density, composition, interfacial tension...
1987
Silicate Diagenesis in the Salado Formation, Southeastern New Mexico
C. L. Stein, J. L. Krumhansl, K. M. Kimball
Journal of Sedimentary Research (SEPM)
... aqueous speciation-solubility calculations: user's guide and documentation: Lawrence Livermore National Laboratory Tech. Report, UCRL-53414, 191 p...
1991
Chemical History of the Oceans Deduced from Post Depositional Changes in Sedimentary Rocks
Robert M. Garrels, Fred T. Mackenzie
Special Publications of SEPM
... of about 0 80 at a depth of the order of about 2 miles and does not change fur ther with deep burial 3 The potassium for the fraction of Paleozoic...
1974
Geologic Map of the Skull Ridge Quadrangle, Sheridan County, Wyoming, USA
Robert Andreoli, Chanler Samples, Laysen Keel, Jennifer Gifford, Jillian Dees, Ethan Rodgers, Shawn Malone, Benton Moore, John Perry
Rocky Mountain Association of Geologists
...) developed by ETP Electron Multipliers. Zircons were mounted on a 25 mm puck with epoxy, sanded down to a depth of ~20 μm, polished, and cleaned prior...
2025
Potential of Impact-Structure Hydrocarbon Plays in Continental Southeast Asia
H. D. Tjia
Geological Society of Malaysia (GSM)
...’s surface is attributable to reworking by exogenous processes of weathering, erosion, organic activity, burial by younger deposits, tectonics (subduction...
2006
Identification, Characterization, and Mapping of Collapsible Soils in Southwestern Utah
Kyle M. Rollins, Tonya Williams, Robert Bleazard, Russell L. Owens
Utah Geological Association
... in the sediments which are deposited on the alluvial fan to allow the formation of collapsible soils. In a semi-arid region where mechanical weathering...
1992