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The AAPG/Datapages Combined Publications Database
Showing 2,430 Results. Searched 197,438 documents.
Jointed Source Rock and Fluvial Gravels Controlled by Rosin's Law: A Grain-Size Study in Calabria, South Italy
Hillert Ibbeken
Journal of Sedimentary Research (SEPM)
.... Jointed and Weathered Source Rock Sampling.--This material was extracted from the outcrop with crowbars or, sometimes, with a mechanical hammer...
1983
Facies History of the Upper Jurassic-Lower Cretaceous Great Valley Sequence: Response to Structural Development of an Outer-Arc Basin
Robert K. Suchecki
Journal of Sedimentary Research (SEPM)
... conglomerate. Clasts dip to the right. Hammer lies along bedding. Upper Jurassic, Salt Creek. End_Page 173------------------------ Detailed work...
1984
A Comparison of Clast Fabric and Shape in Late Precambrian and Modern Glacigenic Sediments
Julian A. Dowdeswell, Michael J. Hambrey, Ruitang Wu
Journal of Sedimentary Research (SEPM)
... l'Ordovicien en Afrique de l'Ouest. Travaux des Laboratoires des Sciences de la Terre, St. Jerome-Marseille, CNRS and Elf Aquitaine. DOMACK, E. W., 1982...
1985
Glacially Influenced Submarine-channel Sedimentation in the Yakataga Formation, Middleton Island, Alaska
Carolyn H. Eyles
Journal of Sedimentary Research (SEPM)
... grading (location: 10 m on section 2083, Fig. 4). Hammer is 30 cm long. B) Rafted block of diamict within normally graded gravels (location: 48 m...
1987
Calcite Cement Stratigraphy and Cementation History of the Burlington-Keokuk Formation (Mississippian), Illinois and Missouri
Jonathan Kaufman, Harris S. Cander , Lawrence D. Daniels , William J. Meyers
Journal of Sedimentary Research (SEPM)
... limestone (LS). Geologic hammer for scale. FIG. 3. [Grey Scale] Calcite cement types, plane light. A) Clear syntaxial overgrowth (SC) on crinoid grain...
1988
Mixed Siliciclastic-Carbonate Marine and Continental Syn-Rift Sedimentation, Upper Jurassic-Lowermost Cretaceous Todos Santos and San Ricardo Formations, Western Chiapas, Mexico
Terence C. Blair
Journal of Sedimentary Research (SEPM)
... sandstone (C) encased in overbank deposits; Facies B. Hammer for scale. b) Restricted subtidal dark mudstone with light-colored dolomite; Facies D. c...
1988
Stratigraphy of Pennsylvanian, Permian, and Lower Triassic Rocks of Confusion Range, West-Central Utah
Richard K. Hose , Charles A. Repenning
AAPG Bulletin
... when struck with a hammer. In thin section, about 50 per cent of the porcellanite is a fine mosaic of irregularly disseminated quartz...
1959
Experiments on Bed Configurations in Fine Sands Under Bidirectional Purely Oscillatory Flow, and the Origin of Hummocky Cross-Stratification
John B. Southard, John M. Lambie , Dennis C. Federico, Harold T. Pile, Christopher R. Weidman
Journal of Sedimentary Research (SEPM)
... Scale] Hummocky-swaly bedding surface, upper part of Johnnie Formation (Upper Proterozoic), southern Nopah Range, east-central California. A hammer...
1990
Early Tertiary Stratigraphy of Part of Central Utah
Donald P. McGookey
AAPG Bulletin
... partly and have a characteristic brittle, china-like clink when walked on or struck with a hammer. Thin-section study shows as much as 50 per cent...
1960
Evolution of Gypsum Karst in the Kirschberg Evaporite Member Near Fredericksburg, Texas
John K. Warren , Karen G. Havholm , Michael R. Rosen , Matthew J. Parsley
Journal of Sedimentary Research (SEPM)
... stringers (DS). This is the "host rock" in which the gypsum karst morphologies are developed. Hammer is approximately 30 cm. B. Elongate gypsum...
1990
Lateral and Temporal Changes in Volcanogenic Sedimentation; Analysis of Two Eocene Sedimentary Aprons, Big Bend Region, Texas
Anthony C. Runkel
Journal of Sedimentary Research (SEPM)
... of clasts indicate that the rocks of lithofacies A were deposited en masse. These rocks are similar to mudflow deposits described by Fisher (1971...
1990
Dolomitized Middle Proterozoic Calcretes, Bathurst Inlet, Northwest Territories, Canada
Shane M. Pelechaty , Noel P. James
Journal of Sedimentary Research (SEPM)
...] Lacustrine dolostone with well-developed fenestrae defined by dolospar-filled cracks, Kanuyak Island. Hammer head for scale is near bottom-left corner...
1991
Constraints on the Formation of Pliocene Hummocky Cross-stratification in Calabria (Southern Italy) from Consideration of Hydraulic and Dispersive Equivalence, Grain-Flow Theory, and Suspended-Load Fallout Rate
Peter G. DeCelles, William Cavazza
Journal of Sedimentary Research (SEPM)
...). E) Gravelly fluvial facies E. Scale in photographs A and B are in cm (right side) and inches. Scale in C in cm; hammer in E is 35 cm long. End...
1992
Ouachita Mountain Core Area, Montgomery County, Arkansas
William D. Pitt , Richard R. Cohoon , Harry C. Lee , Marion G. Robb , John Watson
AAPG Bulletin
... a pumice-like feel, and rings when struck with a hammer, but is probably not volcanic in origin. Type 3. Sandstone, fine-grained, orange to brown, soft...
1961
Oolitic Ironstone of the Cretaceous Western Interior Seaway, East-Central Utah
Marjorie A. Chan
Journal of Sedimentary Research (SEPM)
... (by hammer head), scoured into tan. rippled carbonate mudstone. Locality: 04 of Figure 2. FIG. 12. [Grey Scale] Small load structures accentuated...
1992
Synsedimentary Cemented Calcarenite Layers in Oligo-Miocene Cool-Water Shelf Limestones, Eucla Platform, Southern Australia
Noel P. James, Yvonne Bone
Journal of Sedimentary Research (SEPM)
... to ring when hit with a hammer. In these wholly subtidal sediments, there appears to be a cyclicity consisting of a basal cross-laminated bryozoan...
1992
The Hydrogeochemistry of Early Meteoric Diagenesis in a Holocene deposit of Biogenic Carbonates
Michael E. McClain , Peter K. Swart, H. L. Vacher
Journal of Sedimentary Research (SEPM)
... by hand. The light cementation at Ocean Bight contrasts with the well indurated sediments at the Schooner Cays, where a rock hammer is necessary...
1992
Scaling in Turbidite Deposition
Daniel H. Rothman , John P. Grotzinger , Peter Flemings
Journal of Sedimentary Research (SEPM)
...; B) single, thick, graded, conglomeratic turbidite (hammer for scale); C) thin-bedded sandy turbidites (scale subdivisions in cm). End_Page 61...
1994
Experimental Study of Abrasion and Its Role in Producing Downstream Fining in Gravel-Bed Rivers
Yoshinori Kodama
Journal of Sedimentary Research (SEPM)
... or boulders are difficult to split even with many blows of a rock hammer. This might be due to the lack of discontinuities in andesite. Broken surfaces...
1994
Depositional History of the Middle Proterozoic Castner Marble and Basal Mundy Breccia, Franklin Mountains, West Texas
Michelle A. Pittenger , Kathleen M. Marsaglia , M. E. Bickford
Journal of Sedimentary Research (SEPM)
... End_Page 288------------------------ lowermost 15 m of the Castner Marble section at the base of Section D. A percent-lithology chart...
1994
Deepening-upward Sequences in Oligocene and Lower Miocene Fan-delta Deposits, Western Santa Ynez Mountains, California
Catherine A. Rigsby
Journal of Sedimentary Research (SEPM)
... Canyon (see Figures 1 and 5 for location). Rock hammer in upper part of photo for scale. FIG. 10. [Grey Scale] Lithotypes of Facies C. A) Fossil lens...
1994
Middle Miocene Gypsum, Gulf of Suez: Marine or Nonmarine?
Osama E. Attia , Tim K. Lowenstein , Ashraf M.A. Wali
Journal of Sedimentary Research (SEPM)
... locations. FIG. 4. [Grey Scale] Bedded selenite with vertically oriented gypsum crystals and carbonate mud/clay partings. Hammer for scale. End_Page...
1995
Organic Geochemistry of Cherokee Group in Southeastern Kansas and Northeastern Oklahoma
Donald R. Baker
AAPG Bulletin
... and one portion was reserved for future chemical studies. The other portion was pulverized by one pass through a high-speed hammer-mill.(FOOTNOTE 3...
1962
Sedimentology and Depositional Sequences of the Jordan Formation (Upper Cambrian), Northern Mississippi Valley
Charles W. Byers, R.H. Dott, Jr.
Journal of Sedimentary Research (SEPM)
.... HOUBOLT, J.J.H.C., 1968, Recent sediments in the southern bight of the North Sea: Geologie en Mijnbouw, v. 47, p. 245-273. HUGHES, N.C., 1993...
1995
Quantitative Analysis of a Cyclic Peritidal Carbonate Sequence, the Middle and Upper Devonian Lost Burro Formation, Death Valley, California--A Possible Record of Milankovitch Climatic Cycles
Wan Yang , Fraka Harmsen , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
... planar-and cross-laminated packstone of intertidal origin. This grades upward into subtidal dark gray packstone and stromatoporoid boundstone Hammer...
1995