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The AAPG/Datapages Combined Publications Database
Showing 2,430 Results. Searched 197,438 documents.
G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset
Norman S. Neidell
AAPG Special Volumes
... profiles. Field Parameters Twelve drops of the hammer on the base plate were stacked: six Y+ and six Y-; The couples of Y+ and Y- were generated over...
1987
Preservation of a Paleo-vertisol and an Estimate of Late Mississippian Paleoprecipitation
Michael R. Caudill, Steven G. Driese, Claudia I. Mora
Journal of Sedimentary Research (SEPM)
... following the approach outlined by Retallack (1988). Colors were described from wetted samples using the Munsell Rock Color Chart. Profiles were...
1996
Provenance and Depositional Setting of Paleozoic Chert and Argillite, Sierra Nevada, California
Gary H. Girty , Dale L. Ridge , Charles Knaack , Diane Johnson , Ruwaina K. Al-Riyami
Journal of Sedimentary Research (SEPM)
..., and tendency to break along conchoidal fractures when struck with a hammer. In contrast, argillaceous beds tend to he dark gray or green, and commonly...
1996
From Chalcedonic Chert to Quartz Chert: Diagenesis of Chert Hosted in a Miocene Volcanic-Sedimentary Succession, Central Japan
Isamu Hattori , Miyuki Umeda , Tomio Nakagawa , Hirofumi Yamamoto
Journal of Sedimentary Research (SEPM)
...): Sedimentology, v. 34, p. 611-621. BUURMAN, P., AND VAN DER PLAS, L., 1971, The genesis of Belgian and Dutch flints and chert: Geologie en Mijnbouw, v. 50...
1996
Stratigraphy of Devonian Sevy Dolomite in Utah and Nevada
John C. Osmond
AAPG Bulletin
... with the thinner but lithologically similar Laketown Dolomite." Fig. 1. Correlation chart of Sevy and adjacent formations in Utah, Nevada, and California. Note 1...
1962
Hydromagnesite Stromatolites and Sediments in an Alkaline Lake, Salda Golu, Turkey
C. J. R. Braithwaite , Velsel Zedef
Journal of Sedimentary Research (SEPM)
..., south of Yoruk Mzl. Note clay penetrating fractures in lower unit and graded laminae formi g the base of the upper unit. Hammer, approximately 30 cm...
1996
Anatomy of a Fringing Reef Around Grand Cayman: Storm Rubble, Not Coral Framework
Paul Blanchon , Brian Jones, William Kalbfleisch
Journal of Sedimentary Research (SEPM)
... zones by driving a 10-cm-diameter PVC pipe into soft substrate using an air hammer powered from an ordinary scuba tank (Jones et al. 1992). The longest...
1997
Characteristics and Depositional Processes of Large-scale Gravelly Gilbert-Type Foresets in the Miocene Doumsan Fan Delta, Pohang Basin, Se Korea
Y. K. Sohn , S. B. Kim , I. G. Hwang , J. J. Bahk , M. Y. Choe , S. K. Chough
Journal of Sedimentary Research (SEPM)
... deposits (Facies B) at Section E. The photograph was taken at the lower left corner of Figure 4A. A hammer gives the scale. B) Photograph of Section F...
1997
Nonmarine Sedimentation in an Early Cretaceous Extensional Continental-Margin Arc, Byers Peninsula, Livingston Island, South Shetland Islands
B. Hathway
Journal of Sedimentary Research (SEPM)
.... FUENZALIDA, H., 1965, Serie sedimentaria volcanica con plantas en las islas Snow y Livingston. B. Informacion paleobotanica preliminar: Sociedad Geologica de...
1997
Exposed Middle Tertiary Mud Diapirs and Related Features in South Texas
P. S. Freeman
AAPG Special Volumes
... chart of the Tertiary stratigraphy in South Texas showing this relationship. The underlying Frio Formation is composed predominantly of dark-greenish...
1968
Antarctic Circumpolar Deep Water: A Quaternary Paleoflow Record from the Northern Scotia Sea, South Atlantic Ocean
John A. Howe , Carol J. Pudsey
Journal of Sedimentary Research (SEPM)
..., D., GUNDESTRUP, N.S., HAMMER, C.U., HVIDBERG, C.S., STEFFENSEN, J.P., SVEINBJORNSDOTTIR, A.E., JOUZEL, J., AND BOND, G., 1993, Evidence for general...
1999
Paleohydrologic and Stratigraphic Significance of Crayfish Burrows in Continental Deposits: Examples from Several Paleocene Laramide Basins in the Rocky Mountains
Stephen T. Hasiotis , James G. Honey
Journal of Sedimentary Research (SEPM)
..., AND KIRSCHBAUM, M.A., 1991, Chart showing correlations of some Upper Cretaceous and lower Tertiary rocks, from the east flank of the Washakie Basin...
2000
The Paleohydrology of Lower Cretaceous Seasonal Wetlands, Isle of Wight, Southern England
V. Paul Wright , Kevin G. Taylor , Victoria H. Beck
Journal of Sedimentary Research (SEPM)
... in Figure 3. B) Curved pedogenic slickensides. Hammer head is 20 cm wide. End_Page 625------------------------ The high concentrations of fusain...
2000
Sedimentary Successions Formed by Fifth-Order Glacio-Eustatic Cycles in the Middle to Upper Quaternary Formations of the Oga Peninsula, Northeast Japan
Masaaki Shirai , Ryuji Tada
Journal of Sedimentary Research (SEPM)
... of the hammer and sickle are 30 cm and 23 cm, respectively. A) Facies A overlain by facies C in the lower part of cycle 2. The lignite layer of facies...
2000
Calcite Moonmilk: Crystal Morphology and Environment of Formation in Caves in the Italian Alps
Andrea Borsato , Silvia Frisia , Brian Jones , Klaas Van Der Borg
Journal of Sedimentary Research (SEPM)
... supergenes de calcite en aiguilles: Bulletin of Mineralogy, v. 105, p. 351-356. VERRECCHIA, E.P., AND VERRECCHIA, K.E., 1994, Needle-fiber calcite...
2000
Sedimentary Carbon, Sulfur, and Iron Relationships in Modern and Ancient Diagenetic Environments of the Eel River Basin (U.S.A.)
C.K. Sommerfield , R.C. Aller , C.A. Nittrouer
Journal of Sedimentary Research (SEPM)
... Dell middle member were sampled for analysis. Rock samples were removed with a hammer and chisel 10-20 cm below the outcrop face to avoid weathered...
2001
Origin of Giant Calcite-Cemented Concretions, Temple Member, Qasr El Sagha Formation (Eocene), Faiyum Depression, Egypt
Antar Abdel-Wahab , Earle F. McBride
Journal of Sedimentary Research (SEPM)
...; concretions in the background are quasi-uniformly spaced. Hammer is 40 cm long. FIG. 3. Giant concretion at locality 2: diameter is 9 m. End_Page 71...
2001
Wave-Modified Turbidites: Combined-Flow Shoreline and Shelf Deposits, Cambrian, Antarctica
Paul M. Myrow, Woodward Fischer, John W. Goodge
Journal of Sedimentary Research (SEPM)
... cm long. B) Thick-bedded sandstone facies from Starshot Formation at Russell Bluffs. Hammer for scale. C) Graded bed with lower coarse sandstone...
2002
Distribution of Diagenetic Alterations in Fluvial, Deltaic, and Shallow Marine Sandstones Within a Sequence Stratigraphic Framework: Evidence from the Mullaghmore Formation (Carboniferous), Nw Ireland
J. Marcelo Ketzer, S. Morad, Richard Evans,, I.S. Al-Aasm
Journal of Sedimentary Research (SEPM)
...) Photo showing a rippled, bioclastic lag deposit at a parasequence boundary of the highstand systems tract (note hammer for scale). Figure 5. Detrital...
2002
Tidal-Bundle Sequences in the Jordan Sandstone (Upper Cambrian), Southeastern Minnesota, U.S.A.: Evidence for Tides Along Inboard Shorelines of the Sauk Epicontinental Sea
Carl H. Tape,, Clinton A. Cowan, Anthony C. Runkel
Journal of Sedimentary Research (SEPM)
... outcrop at Homer, Minnesota (ruler increment = 1 cm). B) From same facies in Mankato, Minnesota (hammer is 30 cm tall). End_Page 357...
2003
Partial Ponding of Turbidite Systems in a Basin with Subtle Growth-Fold Topography: Laingsburg-Karoo, South Africa
Martin Grecula,, Stephen Flint, Graham Potts, Deville Wickens, Stephen Johnson
Journal of Sedimentary Research (SEPM)
... developed in the fine-grained interfan facies (below Fan B, Steekwekklaagte). Hammer for scale is about 30 cm long. D) Downward-thinning sand-injection...
2003
Facies Model of a Semiarid Freshwater Wetland, Olduvai Gorge, Tanzania
Cynthia M. Liutkus, Gail M. Ashley
Journal of Sedimentary Research (SEPM)
... "footprints." Hammer for scale. End_Page 698------------------------ of the Olduvai wetlands, suggesting that sediment was being trapped upslope, perhaps...
2003
Chapter 125: Outcrop Characterization of a Passive-margin Channel-complex Set: Isaac Channel 5, Neoproterozoic Isaac Formation, British Columbia, Canada
Ernesto Schwarz, R. W. C. Arnott
AAPG Special Volumes
... (S) pinching laterally into mudstone-rich breccia (MB) forming thick, but laterally discontinuous, breccia zones (example from C1.3 channel fill, hammer...
2007
Chapter 141: Fine-grained Permian Turbidites of Southwestern South Africa: Tanqua Karoo and Laingsburg Deep-water Basins
Arnold H. Bouma, Anne M. Delery
AAPG Special Volumes
..., which is toward the massive channel sandstone. The small foresets that form the climbing layers are only observable when studied close-up. Hammer shown...
2007
Chapter 149: Jackfork Group Turbidites in the Hollywood Quarry, Arkansas, USA: Outcrop Characterization, 3-D Geological Modeling, and Upscaling for Reservoir Simulation
J. Camilo Goyeneche, Roger M. Slatt, Alan J. Witten, Roger A. Young
AAPG Special Volumes
... (Figure 3). Geophones were spaced at 4 m (13.1 ft) intervals. The source was a sledge hammer striking an aluminum plate. Data was acquired at 1-ms...
2007