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The AAPG/Datapages Combined Publications Database
Showing 53,640 Results. Searched 200,693 documents.
Petrology of Entrada Sandstone (Jurassic), Northeastern Utah
E.P. Otto, M. Dane Picard
Rocky Mountain Association of Geologists
... points in each thin section were counted to determine composition (Tables 1, 2, 3). Of the 46 modal analyses; 38 are from the sandstone facies...
1976
Contrasts Between Braided and Meandering Stream Deposits, Beluga and Sterling Formations (Tertiary), Cook Inlet, Alaska
John B. Hayes, J. C. Harms, T. Wilson, Jr.
Alaska Geological Society
... sediments. Sandstone porosity is directly related to sandstone composition and provenance. Sterling sandstones have good reservoir porosity because...
1976
Mesozoic Stratigraphy of Honduras
R. A. Mills , K. E. Hugh , D. E. Feray , H. C. Swolfs
AAPG Bulletin
... in. brownish gray limestone fragments in red shale and sandstone matrix Texture: Fine-grained microcrystalline limestone, partly recrystallized, with fragments...
1967
Porosity evolution of sandstone reservoirs in the Paleogene Shahejie Formation of the Zhanhua depression, Bohai Bay Basin
Xiaowen Guo, Yanqi Hua, Bin Wang, Zhi Yang, Zhiliang He, Tian Dong, Keyu Liu, and Sheng He
AAPG Bulletin
... were analyzed by the x-ray diffraction (XRD) technique to identify the elemental composition. The selected sandstone samples were powdered to 200 mesh...
2025
Chapter 18: Eolian Deposits of the Ojo Caliente Sandstone Member (Miocene) of the Tesuque Formation, Espanola Basin, New Mexico
C.J. Schenk
Rocky Mountain Section (SEPM)
...Chapter 18: Eolian Deposits of the Ojo Caliente Sandstone Member (Miocene) of the Tesuque Formation, Espanola Basin, New Mexico C.J. Schenk 1990 201...
1990
Massive Sandstone Facies in The Hawkesbury Sandstone, A Triassic Fluvial Deposit Near Sydney, Australia
Brian G. Jones, Brian R. Rust
Journal of Sedimentary Research (SEPM)
...Massive Sandstone Facies in The Hawkesbury Sandstone, A Triassic Fluvial Deposit Near Sydney, Australia Brian G. Jones, Brian R. Rust 1983 Vol. 53...
1983
An Intrusive Swarm near Mentakab, Pahang: A Probable Volcanic Centre
Law Seong Fook, H. D. Tjia
Geological Society of Malaysia (GSM)
... and a microporphyritic texture is sometimes apparent. Chloritisation and sericitisation are usual. This rock type may range in thickness from a few decimetres...
1985
Application of Outcrop Information to Subsurface Exploration for Sandstone Reservoirs; Basal Belly River Formation (Upper Cretaceous), Alberta Foothills
C. J. Iwuagwu, J. F. Lerbekmo
CSPG Special Publications
... for the differentiation of basal Belly River sandstone lithofacies. In summary, on the basis of facies sequence, variations in detrital composition, texture, sedimentary...
1984
Recognition of Deltaic Environments from Small Samples
Frank G. Ethridge, Tumkur R. Gopinath, David K. Davies
Houston Geological Society
... Bull., v. 77, p. 205-206. DAVIES, D.K., and ETHRIDGE, F.G., in press, Sandstone composition and depositional environment: Am. Assoc. Petroleum...
1975
Glossary
Joann E. Welton
AAPG Special Volumes
.... Synonym: equidimensional. equigranular: Said of a rock texture having crystals of the same, or nearly the same, size. euhedral: Said of a crystal...
1984
2013
Oolitic Limestone in the Triassic of Virginia
R. S. Young, R. S. Edmundson
Journal of Sedimentary Research (SEPM)
...------- The limestone described in this paper is exposed as a thin layer in a sandstone quarry operated by the Virginia Department of Highways along State Route 3, about...
1954
Compositional Classification for Fine-Grained Sediments and Sedimentary Rocks: Foundation for Bulk Rock Property Prediction, #51130 (2015).
Kitty Milliken
Search and Discovery.com
...: Copy some aspects of sandstone and limestone classification: Classify based ONLY on the grain assemblage Use texture, minor grains, and diagenetic...
2015
Grandfather Mountain Formation: Depositional Environment, Provenance, and Tectonic Setting of Late Precambrian Alluvium in the Blue Ridge of North Carolina
Frederic L. Schwab
Journal of Sedimentary Research (SEPM)
... the Grandfather Mountain window in the Blue Ridge province of western North Carolina. This paper presents data on the composition, texture...
1977
Stratigraphy of the Pennsylvanian Darwin Sandstone in the Southeast Wind River Mountains, Wyoming
Denny N. Bearce
Wyoming Geological Association
...Stratigraphy of the Pennsylvanian Darwin Sandstone in the Southeast Wind River Mountains, Wyoming Denny N. Bearce 1970 107 113 BIGGS, C. I., (1951...
1970
Geology of Two Buttes Dome in Southeastern Colorado
C. W. Sanders
AAPG Bulletin
... by sandstone of probable Triassic (possible Jurassic) age dipping 10° W.-NW. Immediately southeast of the butte an igneous mass is exposed with an area...
1934
The Effects of Diagenesis on Reservoir Properties in the Lobo Sandstones, Webb County, Texas
Steven C. Alexander , Thomas T. Tieh , Robert R. Berg
GCAGS Transactions
... the two wells were analyzed for composition and texture by point counting with a petrographic microscope. Thin sections were impregnated with blue epoxy...
1985
Chapter 101: A Sand-rich, Basin-floor Turbidite System, Willow Mountain, Texas, USA
Mark Barton, Shirley Dutton
AAPG Special Volumes
... (2.5 ft) 0.3 m (1 ft) Texture — grain-size range; average; sorting NA; fine-grained sandstone; moderate sorting NA; fine-grained sandstone; moderate...
2007
STRATIGRAPHY OF THE SIMPSON GROUP IN SOUTHERN OKLAHOMA
Fort Worth Geological Society
... fragments in a typical clean quartzose sandstone resulting in a "salt and pepper" texture. The sands range in size from fine to very fine with a variability...
1969
Clay Microporosity in Reservoir Sandstones: An Application of Quantitative Electron Microscopy in Petrophysical Evaluation
Andrew Hurst , Paul H. Nadeau
AAPG Bulletin
... chlorite has a generally uniform grain-coating texture and microporosity of about 50%. Fibrous illitic clays are difficult to characterize by the same...
1995
Chester Rocks of Meade, Hardin, and Breckinridge Counties, Kentucky
Ralph E. Stouder
AAPG Bulletin
...Chester Rocks of Meade, Hardin, and Breckinridge Counties, Kentucky Ralph E. Stouder 1938 267 284 22 3. (March) Alternating sandstone, shale...
1938
Effect of Texture on Petrophysical Properties of Dolomite: Evidence From the Cambrian-Ordovician of Southeastern Missouri
Robert E. Woody , Jay M. Gregg , Leonard F. Koederitz
AAPG Bulletin
...Effect of Texture on Petrophysical Properties of Dolomite: Evidence From the Cambrian-Ordovician of Southeastern Missouri Robert E. Woody , Jay M...
1996
Geometry, Lithofacies, and Spatial Distribution of Cretaceous Fluvial Sandstone Bodies, San Jorge Basin, Argentina: Outcrop Analog for the Hydrocarbon-Bearing Chubut Group
John S. Bridge , Guillermo A. Jalfin , Sergio M. Georgieff
Journal of Sedimentary Research (SEPM)
... of texture, composition, and small-scale sedimentary structures. Samples of tuff and ignimbrite were taken for Ar-Ar dating. Samples were taken from...
2000
Geology and Hydrology of Tuaran
Majeed M. Faisal, Shariff A. K. Omang, Sanudin Hj. Tahir
Geological Society of Malaysia (GSM)
... AND COMPOSITION All the sandstones are similar in texture and composition except for variations in grain sizes from very coarse-grained to generally...
1997
Chapter 48: Setting and Architectural Elements of the Champsaur Sandstones, France
R. L. Brunt, W. D. McCaffrey, R. H. Butler
AAPG Special Volumes
..., infill and transition to sheet sandstone development in the Alpine foreland basin, SE France: Sedimentology, v. 49, p. 623–635. Waibel, A. F., 1990...
2007