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The AAPG/Datapages Combined Publications Database
Showing 3,552 Results. Searched 196,923 documents.
Relationship Between Porosity, Permeability, and Surface Areas of Sediments
George V. Chilingar, Richard Main, Ali Sinnokrot
Journal of Sedimentary Research (SEPM)
... of pore volume, and C is a constant depending on the degree of cementation, and other factors (see a simple derivation of this equation in Chilingar...
1963
Calculation of Stratigraphic Thickness in Parallel Folds: GEOLOGICAL NOTES
John B. Mertie, Jr.
AAPG Bulletin
... its application. DERIVATION OF FORMULAE Let P1 and P2 be two station points, located on two stratigraphic surfaces, that are considered...
1944
Middle Devonian Subsurface Formations in Illinois
Aldred S. Warthin, Jr. , G. Arthur Cooper
AAPG Bulletin
... extent. The sand is of local derivation, and represents the reworked material deposited by the advancing Cedar Valley sea. Sand of this type...
1944
Core Orientation by Graphical and Mathematical Methods: DISCUSSION
CURTIS H. JOHNSON
AAPG Bulletin
... a thorough understanding of the problem and in reducing it to geological terminology. One of the real chores he accomplished was the re-derivation...
1948
Turbid Bottom Water on the Continental Shelf of the Northern Bering Sea
Dean A. McManus, C. Stephen Smyth
Journal of Sedimentary Research (SEPM)
... be stated about the derivation of the suspended material or the nature of its transport. The Yukon River must certainly be considered as a source...
1970
Calcite and Aragonite Phenomena Precipitated by Organic Decay in High Lime Concentrate Brines
H. J. McCunn
Journal of Sedimentary Research (SEPM)
... on the remains. As the experiment was open to the atmosphere, it is not known if the natural sediment contributed to the mold or if it was of local derivation...
1972
Some Recent Additions to Stratigraphy of Western Australia
Curt Teichert
AAPG Bulletin
... the Middle and Upper Devonian. It is now possible to assume derivation from the west part of the basin which may have been uplifted and partly eroded...
1950
Composition of Sand Released from Three Source Areas Under Humid, Low Relief Weathering in the North Carolina Piedmont: DISCUSSION
Nicholas E. Pingitore, Jr., James Shotwell
Journal of Sedimentary Research (SEPM)
... rocks have an ultimate igneous or metamorphic derivation. The second DF helps distinguish the sedimentary source by pulling this cluster upward from...
1976
Extended Abstract: Quick-Look Technique for Quantifying Shale Distribution Types using Total Porosity versus Shale Volume Crossplots
James J. Willis, Duncan S. McIntosh, Jr., Jesse W. Zwennes, Gregory J. Ferguson
GCAGS Transactions
... assessments. Alternative approaches exist in characterizing the distribution of shale. Current work by the authors focuses on mathematical derivation...
2017
Reservoir Uncertainty
Mike Shepherd
AAPG Special Volumes
... in intervals that are supposedly nonpay (Henriquez and Jourdan, 1995). The derivation of a water saturation (Sw) model provides a major concern...
2009
Carbonate Lithologies of the Mississippian Barnett Shale, Fort Worth Basin, Texas
Kitty L. Milliken, Ruarri J. Day-Stirrat, Petro K. Papazis, Christian Dohse
AAPG Special Volumes
... to rock components of either intrabasinal or extrabasinal derivation, as appropriate. This fundamental division of grains follows that of Folk (1980...
2012
Origin of Oolitic Iron Formations: DISCUSSION
D. R. Adeleye
Journal of Sedimentary Research (SEPM)
... are derived from the former; just as alternating shells of calcite and clays in Recent oolites (Oti and Muller, 1979) do not imply the derivation...
1980
Chi (X): A Proposed Standard Parameter for Settling Tube Analysis of Sediments
James P. May
Journal of Sedimentary Research (SEPM)
... of sedimentologists to describe sedimentary particles in terms of size ... hence the derivation of the Phi parameter. This evolved while most sedimentologists...
1981
Outlier of Dakota(?) Strata, Southeastern New Mexico: GEOLOGICAL NOTES
Lloyd C. Pray , John Eliot Allen
AAPG Bulletin
... to the hypothesis of a derivation of similar materials in the Ogallala (Pliocene) and later alluvial deposits of southeastern New Mexico from sedimentary strata...
1956
The Sieving Of Heavy Mineral Sands
Chi Wang, Paul D. Komar
Journal of Sedimentary Research (SEPM)
... square-sieve openings. Sahu showed that the point of tangency of the grain and sieve opening is governed by the Dc/Db ratio, his derivation yielding...
1985
Cenozoic Geology of the Colorado Plateau with Respect to Uinta Basin, Utah
M. Dane Picard
AAPG Bulletin
... found along the present southern edge of the Uinta basin (Picard, 1957 c) indicate by their size and character their derivation from much closer source...
1958
Early Silica Cementation And Subsequent Diagenesis in Arenites From Four Early Proterozoic Iron Formations of North America: DISCUSSION
Charles D. Markun, Anthony F. Randazzo
Journal of Sedimentary Research (SEPM)
.... Markun, Anthony F. Randazzo 1988 Vol. 58 No. 3. (May), ADELEYE, D. R., 1975, Derivation of fragmentary oolites and pisolites from desiccation cracks...
1988
Compositional Characteristics of Glauconitic Alterations of K-Feldspar from India and Their Implications
Somnath Dasgupta, Asru K. Chaudhuri, Masato Fukuoka
Journal of Sedimentary Research (SEPM)
... glauconitized peloids. Goethite thus seems to have developed late, and its derivation is possibly linked with breakdown of glauconite (cf. Bentor...
1990
A Note on the Use of the "Fryberger Method" for Evaluating Potential Sand Transport by Wind
Joanna E. Bullard
Journal of Sedimentary Research (SEPM)
... to lower the magnitude of the weighting factors and simplify the plotting of sand roses. The example of the derivation of weighting factors given...
1997
Continent-Derived Vitric Mud and Mafic-Arc Rocks in Deep Kermadec Trench Diamictons
Peter F. Ballance , Harry A. Follas , Paul C. Froggatt , Eugene V. Mikhailic
Journal of Sedimentary Research (SEPM)
...-to-high-K rhyolitic vitric mud of continental-arc derivation that has been transported 900 km from New Zealand. All contain minor shards of Kermadec...
2000
Chapter 13: Overview of Mixed Braided- and Leveed-channel Turbidites, West Crocker Fan System, Northwest Borneo
Paul D. Crevello, Howard D. Johnson, Felix Tongkul, Martin R. Wells
AAPG Special Volumes
... sandstones. Regional paleogeographic reconstructions suggest sediment derivation from a continental source area to the south and east, possibly as far...
2007
An Analysis of the Roles of Stress, Temperature, and pH in Chemical Compaction of Sandstones: DISCUSSION
Olav Walderhaug, Eric H. Oelkers, Per Arne Bjorkum
Journal of Sedimentary Research (SEPM)
... Equation 1), and thus so too is the second term in Equation 5. This short derivation demonstrates that, in contrast to the unsupported arguments...
2004
Distribution of Diagenetic Alterations in Siliciclastic Shoreface Deposits within a Sequence Stratigraphic Framework: Evidence from the Upper Jurassic, Boulonnais, NW France
Khalid Al-Ramadan, S. Morad, J.N. Proust, I. Al-Aasm
Journal of Sedimentary Research (SEPM)
... and concomitant derivation of dissolved carbon and Ca2+ from the overlying seawater (cf. Kantorowicz et al. 1987). Owing to the lack of a mechanism...
2005
Reworked Lower Devonian Fossils, Nopah Range, Inyo County, California: GEOLOGICAL NOTES
A. J. Boucot , J. C. Hazzard , J. G. Johnson
AAPG Bulletin
... assemblage was reworked following derivation from a nearby source. Hazzard (1937) showed that in the Nopah Range the Lower Devonian (beds equivalent...
1969
Significance of Reservoir Bitumens to Thermal-Maturation Studies, Western Canada Basin
M. A. Rogers , J. D. McAlary , N. J. L. Bailey
AAPG Bulletin
... full use of reservoir bitumens for the general description of organic matter and the derivation of subsequent thermal Click to view image in GIF...
1974