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The AAPG/Datapages Combined Publications Database
Showing 3,218 Results. Searched 200,693 documents.
Deformed Oolites in the Pre-Cambrian Bhander Limestones, India
Miss Bhagabati Sarkar
Journal of Sedimentary Research (SEPM)
..., (1) spherical (2) hooked and (3) elliptical have been studied in the Bhander Limestone of the Maihar area, Madhya Pradesh, India. Spherical oolites...
1973
On the Origin and Significance of Pyrite Spheres in Devonian Black Shales of North America
Jurgen Schieber , Gordon Baird
Journal of Sedimentary Research (SEPM)
... crystalline pyrite, framboids, concretions, and sand-size pyritic spheres. The latter, unusual because of their spherical shape and large size, were...
2001
Utilization of Existing Wells in Seismograph Work
Burton McCollum , Wilton W. Larue
AAPG Bulletin
... within 2 or 3 miles of the well, can be explored for deep domes to a depth considerably in excess of the depth of the well used for the detector...
1931
Authigenic Carbonate Concretions and Host Shales from the Shimanto Belt, Southwestern Japan: Implications for Carbonate Precipitation
Kenichiro Sugitani , Ryuichi Sugisaki , Mamoru Adachi
Journal of Sedimentary Research (SEPM)
... Belt in southwestern Japan were studied. There are three types of carbonate concretions: spherical micritic, lenticular micritic, and lenticular...
1995
Abstract: Remote Classification of Seabed Types Derived from Interferometric Sonar Data, by S. Hadden and C. Green; #90923 (1999)
Search and Discovery.com
1999
Grain Size-Frequency Distributions from Thin-Section Data: NOTES
N. H. Gray
Journal of Sedimentary Research (SEPM)
... of obtaining the true size-frequency distribution of near spherical grains in sediments from their size distribution in thin section (Friedman, 1958). Most...
1969
Abstract: Cannonball Concretions of Northern Sabah, Malaysia (Paper P5)
Joanes Muda
Geological Society of Malaysia (GSM)
.... They vary in size from small objects less than 1 cm in diameter to great spherical bodies metre-scale in greatest dimension. The fiel term cannonball...
2010
2000
Evaluation on the Adsorbed and Free Oil in Lacustrine Shales
Search and Discovery.com
N/A
Sedimentation of Beach Gravels: Examples from South Wales
Brian J. Bluck
Journal of Sedimentary Research (SEPM)
... side the imbricate zone composed mainly of imbricate disc-shaped pebbles. Seaward of the imbricate zone lies the infill zone where spherical and rod...
1967
Abstract: Paleoclimatology: A New Dimension in Oil Exploration
Leonard L. Limes
GCAGS Transactions
... the sun. Since the earth is nearly spherical, a temperature gradient must exist from the equator to the poles. These climatic zones control the environment...
1966
Paleoclimatology: A New Dimension in Oil Exploration: ABSTRACT
Leonard L. Limes
AAPG Bulletin
... from the sun. Because the earth is nearly spherical, a temperature gradient must exist from the equator to the poles. These climatic zones control...
1966
Keystone Vugs in Carbonate Beach Deposits: ABSTRACT
Robert J. Dunham
AAPG Bulletin
... in diameter and are roughly spherical or lens shaped. The roof of the vug resembles a crude keystone arch. Similar vugs can be made in the laboratory...
1970
Deposition, Diagenesis and Hydrocarbon Generation in the Ordovician Point Pleasant Limestone and the Devonian Marcellus Shale: Comparing and Contrasting Two Appalachian Basin Unconventional Reservoirs; #51539 (2018)
Randy Blood
Search and Discovery.com
... content, the Point Pleasant hosts a pore pressure gradient far in excess of that observed in the Marcellus. While expulsion fractures, including Mode I...
2018
A Visual Comparator for Degree of Sorting in Thin and Plane Sections: RESEARCH METHOD PAPER
James Harrell
Journal of Sedimentary Research (SEPM)
... grains are seldom spherical. The spherical shape was selected because it vastly simplified the computer experiments. It does not, I believe...
1984
Pebble Shape (and Size!): REPLY
Werner K. Illenberger
Journal of Sedimentary Research (SEPM)
... advantage. Furthermore, to get a clear picture of the eigen values of the significant factors in the variables (p. 758), one needs an excess of variables (p...
1992
Effect of Mica on Particle-Size Analyses Using the Laser Diffraction Technique: RESEARCH METHODS PAPERS
Shaun Hayton , Campbell S. Nelson , Brian D. Ricketts , Steve Cooke , Maurice W. Wedd
Journal of Sedimentary Research (SEPM)
... of scattered light. This scattered light distribution is then converted into a distribution of spherical particles that would produce the observed...
2001
Sporangites as "Horizon Markers"
Maurice G. Mehl, Bernard Shaffer
Kansas Geological Society
... in a glass beaker and the carbonates were removed with hydrochloric acid. Excess acid was washed from the residue with water. The residue was transferred...
1961
The Development and Placing in Service of LNG Carriers for the Indonesia/Japan Trade
Dennis G. W. Allsop
Indonesian Petroleum Association
... the vessels on 25-year time charters. The ships incorporate the Moss Rosenberg self-supporting spherical tank LNG containment system. Although the comparative...
1979
Climate Models and their Application
Eric J. Barron, George T. Moore
Special Publications of SEPM
... equations are rewritten for a spherical coordinate system and a wide variety of processes are then incorporated into the model structure. GCMs can...
1994
ABSTRACT: Porosity Development in Quartz-Rich, Oolitic Limestones of Upper Arbuckle Group: A Response to Unloading, by Deborah A. Ragland and Felicia Matthews; #91025 (2010)
Search and Discovery.com
2010
Early Phase Diagenesis and Lithification of Deep-Sea Chalks and Chert: ABSTRACT
S. W. Wise, Jr.
AAPG Bulletin
... glass and ests of siliceous organisms. In some chalks from the Caribbean Sea and the South Atlantic, silica has been redeposited in the form of spherical...
1972
Vertical Net Sandstone Determination for Isopach Mapping of Hydrocarbon Reservoirs: GEOLOGIC NOTES
L. Allaud
AAPG Bulletin
... with an application of an equation of spherical trigonometry. Two diagrams have been prepared to give a nomographic solution of this problem, first...
1976
Deformation of organic matter and its effect on pores in mud rocks
Guochang Wang
AAPG Bulletin
... (Figure 2B). Thus, the stress (or pressure) of bitumen should be close to or slightly in excess of hydrostatic pressure. Increasing temperature...
2020
A Study of Graphite-Sand-Water Mixtures and Their Conductivity as a Function of Frequency and Petrophysical Properties
Dean Homan, John C. Rasmus, Gong Li Wang, Siddharth Misra, Yuteng Jin
Unconventional Resources Technology Conference (URTEC)
... laterolog and induction measurements (Cumella et al. 2018). We chose to simulate this type of formation by mixing small graphite flakes with spherical glass...
2021