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The AAPG/Datapages Combined Publications Database
Showing 3,617 Results. Searched 200,639 documents.
Pilgangoora Lithium-Tantalum Project: deposit geology and new constraints on rare-metal pegmatite genesis
J. S. Holmes, J. L. Grigson
Petroleum Exploration Society of Australia (PESA)
... this study, is ~15 m.y. younger than a proximal pluton of the high-K Split Rock Supersuite. This seemingly rules out direct derivation of the rare-metal...
2019
Beaches
James H. C. Martens
Special Publications of SEPM
... a high feldspar content as a result of direct derivation from feldspathic rocks and of physiographic conditions unfavorable for chemical weathering...
1955
Petrographic Character of the Pennsylvanian Sandstones in the Ardmore Basin
Elmer L. Lucas
Journal of Sedimentary Research (SEPM)
..., implies derivation, according to Milner,(FOOTNOTE 14) not from primary but from pre-existing rocks of sedimentary origin. The presence of very small...
1935
Shape and Roundness of Lake Erie Beach Sands
F. J. Pettijohn, A. C. Lundahl
Journal of Sedimentary Research (SEPM)
... of the mainland provides most of the material. Material of immediate or ultimate glacial derivation dominates. Beach samples were taken, a half mile...
1943
Provenance of Northern Borneo Sediments
Marco W. A. van Hattum, Robert Hall, Gary J. Nichols
Indonesian Petroleum Association
... of ophiolite debris suggests derivation from nearby basement of northern Borneo. The relative immaturity and heavy mineral suites of the Crocker...
2003
An Eocene Synvolcanic Alluvial Fan Complex in East-Central Idaho: Stratigraphic Relationships and Structural Implications
Daniel R. Tucker, Richard U. Birdseye
Rocky Mountain Association of Geologists
... metamorph~c are present. These clast compositions indicate derivation from more distant as welkas local source terranes. The volcanic clasts are restricted...
1989
Foraminiferal Stratigraphy and Paleoecology of the Blufftown Formation (Santonian-Campanian) of Georgia and Eastern Alabama
Rashel N. Rosen
GCAGS Transactions
... portions. Derivation: Latin Quasi (appearing as if). Dimensions: Largest Diameter of figured hypotypes, 0.06 mm. Hypotypes HVH Collection #8521, #8522...
1985
Planetary Equidistant Rupture Systems–A New Concept Based on the Study of Joint Zones
Radan Kvet
Utah Geological Association
.... This has led to an increased knowledge of the distribution and probable mode of genesis of joint zones and to the derivation of Planetary Equidistant...
1974
The Petrology of a Specimen of the Perry Farm Shale
W. D. Keller, Chuen Pu Ting
Journal of Sedimentary Research (SEPM)
... suggest first cycle (or nearly so) derivation from igneous rocks. Zircon grains occur as both euhedral and rounded grains. These shapes have been...
1950
Overcoming the Impact of Reservoir Depletion to Achieve Effective Parent Well Refracturing
Ripudaman Manchanda, Mukul Sharma, Mehdi Rafiee, Lionel Ribeiro
Unconventional Resources Technology Conference (URTEC)
... (parallel to the fracture). A mathematical derivation of this phenomenon can be found in Hwang et al. (2015). Fracture dilation induces the stresses...
2017
Analcime in the Popo Agie Member of the Chugwater Formation
W. D. Keller
Journal of Sedimentary Research (SEPM)
... the derivation of aluminum and silica is probably easier to account for chemically from volcanic dust than End_Page 80------------------------- from clay...
1952
Principles of Facies Map Interpretation
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... of the End_Page 202------------------------ end members used. This uniform geometric derivation of the lines thus becomes a constant factor in facies map...
1952
Roundness and Shape of Marine Gravels from Urk (Netherlands), a Comparison of Several Methods of Investigation
TJ. H. van Andel, A. J. Wiggers, G. Maarleveld
Journal of Sedimentary Research (SEPM)
... in composition of the Tail gravels. The combined data from both fractions are therefore in favor of a derivation from lens till and modification...
1954
Sediments of Santa Monica Bay, California
F. P. Shepard , G. A. MacDonald
AAPG Bulletin
... of the region, and indicates derivation from a mixed source, probably partly or even largely by reworking of the older sedimentary rocks...
1938
A Three-Dimensional Correction Factor Equation for Deviated Wells
Daniel J. Tearpock, Harvey Pousson
GCAGS Transactions
.... (Published by permission of Tearpock and Bischke). End_Page 829------------------------ Type 1 The derivation of the Type 1 equation (well deviated...
1990
Trends of Sedimentation in Giridih Basin, Bihar, India
C. Narasimha Rao
Journal of Sedimentary Research (SEPM)
... a crushed nature and wavy extinction due perhaps to their derivation from metamorphic source materials. Bokman (1952) measured the elongations of several...
1957
New Mathematical and "Stereographic Net" Solutions to Problem of Two Tilts--With Applications to Core Orientation
Curtis H. Johnson
AAPG Bulletin
.... Kothny, personal communication, October 1, 1938. End_Page 664------------------------------ have been, used. To reduce the derivation to the most...
1939
Petrography of the Teays-Mahomet Valley Deposits
Constantine Manos
Journal of Sedimentary Research (SEPM)
... mature mineralogy of the sediments in the unglaciated area of West Virginia indicates derivation of these sediments from the Paleozoics of the folded...
1961
Correlation of Crude Oils with Special Reference to Crude Oil of Gulf Coast
Donald C. Barton
AAPG Bulletin
... of the derivation-from-the-mean of the difference between the A.P.I. gravity of adjacent cuts in the United States Bureau of Mines Hempel analyses...
1941
The Origin and Geological Significance of the South Wales Underclays
M. J. Wilson
Journal of Sedimentary Research (SEPM)
... is explaine by postulating a relatively drier climate in Upper Coal Measure times together with derivation from a different source. BRINDLEY, G. W...
1965
A Proposed Methodology to Assess Production Performance for Shale Oil and Gas Wells
E.L. Dougherty, T.A. Blasingame
Unconventional Resources Technology Conference (URTEC)
... Appendix A — Derivation of the Exponential Decline Relation for a Black Oil. The "black oil" material balance relation is given by: p = pi - mo, pss Np...
2021
Experimental Controls on the Transition Between Planar and Branched Hydraulic Fractures
Wenfeng Li, Luke P. Frash, J. William Carey, Meng Meng, Nathan J. Welch, Hari Viswanathan
Unconventional Resources Technology Conference (URTEC)
... isotropic and homogeneous for simplicity. The complete derivation of this model is shown in our previous work (Li et al., 2021b), which is omitted here...
2021
A Semi-analytical Solution of the Induced Stress Change in a Layered Reservoir Based on the Stress Formulation
Shihao Wang, Yanbin Zhang, Ouassim Khebzegga, Bin Wang, Zhe Liu, Xian-Huan Wen
Unconventional Resources Technology Conference (URTEC)
... accurate to the displacement-based approach. Although remarkable success has been achieved for homogeneous problems, the derivation of a stress...
2022
Application of Flowing Material Balance to Estimate Fillup in Saltwater Disposal Reservoirs
Gerardo Jimenez
Unconventional Resources Technology Conference (URTEC)
... with synthetic examples. Detailed Workflow The assumptions for the workflow include a volumetric water disposal reservoir with a no-flow boundary. The derivation...
2022
A Kaolinite Mudstone (Tonstein) in the British Coal Measures
D. A. Spears
Journal of Sedimentary Research (SEPM)
...------------------------ shows little rounding, again in contrast to the zircon, it was suggested that much of the apatite was of first cycle origin (p. 529). Derivation...
1970