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The AAPG/Datapages Combined Publications Database
Showing 2,430 Results. Searched 197,434 documents.
Deformation of Eocene Synorogenic Conglomerate in the Footwall of the Clear Creek ~hrbst Fault, Bighorn Mountains, Wyoming
Richard G. Hot, Kenneth D. Ridgway
Rocky Mountain Association of Geologists
... is labeled 6B on Figure 5B. Hammer is -35 cm in length. C) Fault-truncated granitic clasts (Gt) along a back-thrust fault within Panel B. Small white...
1998
Sequence Stratigraphy, Frontier Formation, South-Central Wyoming: Eustatic and Tectonic Influences
Barbara L. Mieras
Wyoming Geological Association
... in the Wall Creek Member. Hammer for scale. Marine flooding surfaces may develop as transgressive lags of coarse lithic grains, fossil material and/or clay...
1992
Environments of Deposition of the Uppermost Part of the Cody Shale and the Mesaverde and Meeteetse Formations of Late Cretaceous Age, Shotgun Butte Area, Wind River Reservation, Wyoming
Ronald C. Johnson, Arthur C. Clark
Wyoming Geological Association
... Investigations Chart OC-56. Keefer, W. R., and Troyer, M. L., 1964, Geology of the Shotgun Butte Area, Fremont County, Wyoming: U. S. Geological Survey Bulletin...
1993
The Impact of Reservoir Heterogeneity on Fluid Flow in the Tensleep Sandstone of the Bighorn Basin
Mamdouh A. Shebl
Wyoming Geological Association
.... Rock hammer for scale. B. Core sample from sandstone in the Tensleep. Orientation: up is left. C. Photomicrograph of Tensleep Sandstone thin section...
1995
A Summary of Morrison Formation (Jurassic: Kimmeridgian-Tithonian) Geology and Paleontology, With Notice of A New Dinosaur Locality in the Bighorn Basin (USA)
Cheryl A. Bjoraker, Michael T. Naus
Wyoming Geological Association
... Wyoming: U.S. Geological Survey, Oil and Gas Investigation, Preliminary Chart 13. Manthios, C., 1987, Paleosols in the non-marine lower Cretaceous...
1996
Dolomitization Interrupted by Silicification
R. V. Dietrich , C. R. B. Hobbs, Jr. , W. D. Lowry
Journal of Sedimentary Research (SEPM)
... with dolomite forming some of the interior zones of the concentric structures. Note coalescence of two nodules of this horizon above hammer. The white...
1963
Origin and Age of the Sandstone Reefs of Pernambuco (Northeastern Brazil)
J. M. Mabesoone
Journal of Sedimentary Research (SEPM)
.... Below this, it breaks easily under a slight blow of the hammer. The next reef seaward, however, which is exposed at low tide only, is much more...
1964
Lateral Gradation in the Seven Rivers Formation, Rocky Arroyo, Eddy County, New Mexico
Robert L. Bates
AAPG Bulletin
... northeast under the town of Carlsbad.The strata involved belong to the Queen and Seven Rives formations. The following chart shows their position...
1942
Deformation Structures of Sedimentary Origin in the Lower Limestone Shales (Basal Carboniferous) of South Pembrokeshire, Wales
Gilbert Kelling, Brian P. J. Williams
Journal of Sedimentary Research (SEPM)
... of hammer = 30 cm) FIG. 6. [Grey Scale] Synclinal overfold in near-vertical calcarenite-calcilutite bed. Band D, deformed sequence, Lower Limestone...
1966
Dispersal Patterns and Diagenesis of Oolitic Calcarenites in the Ste. Genevieve Limestone (Mississippian), Missouri
Stephen L. Knewtson, John F. Hubert
Journal of Sedimentary Research (SEPM)
... cross-bed sets reflect stronger currents than do thinner cross-bed sets, the dominant FIG. 6. [Grey Scale] Contact (hammer head) between two cross...
1969
Geometry and Evolution of the Palisades Reef Complex, Silurian of Iowa
Michael E. Philcox
Journal of Sedimentary Research (SEPM)
... of coarse crinoid debris with rolled favositids. Note wedge-bedding. Hammer for scale. End_Page 174------------------------ windward flank and crest...
1970
Aqueous and Petroleum Fluids Associated with Sand Injectites Hosted by Lacustrine Shales from the Oil-Shale Group (Dinantian), Midland Valley, Scotland
R. Jonk, D. Duranti, A. Hurst, J. Parnell, A. E. Fallick
AAPG Special Volumes
... with reworked, wave-rippled tops of individual units, suggests deposition as a Gilbert-type delta. Hammer (30 cm; 12 in.) is for scale. (B) Wave...
2007
Effects of Shoreline Irregularities on a Rectilinear Tidal Current and Their Significance in Sedimentation Processes
George Ferentinos, Michael Collins
Journal of Sedimentary Research (SEPM)
...., 1975, Sediment Distribution and Quaternary history: Jour. Geol. Soc. London, v. 131, p. 19-35. HAMMER, W. M., AND HAURI, I. R., 1977, Fine scale...
1980
Excavability of Inter-Bedded Quartzites and Phyllites of the Lower Carboniferous Sungai Perlis Beds at Bukit Teluk Batu, Terengganu Darul Iman
John Kuna Raj, Ahmad Nizam Hassan, Ahmad Zulhilmy
Geological Society of Malaysia (GSM)
... of a geological hammer for field determination of unconfined compressive strengths (as per BS EN ISO Warta Geologi, Vol. 49, No. 3, December 2023 Excavability...
2023
Lungfish Burrows in the Upper Triassic Chinle and Dolores Formations, Colorado Plateau
Russell F. Dubiel, Robert H. Blodgett , Thomas M. Bown
Journal of Sedimentary Research (SEPM)
... Formation, showing rounded termination (arrow). A second, indistinct burrow cast is just right of the hammer handle. F) Two lungfish burrow casts...
1987
Comparison of Composition and Texture of Calcite-Cemented Concretions and Host Sandstones, Northern Apennines, Italy
Ubaldo Cibin , William Cavazza , Daniela Fontana , Kitty L. Milliken , Earle F. McBride
Journal of Sedimentary Research (SEPM)
... the core to the edge of concretions. Samples were taken using either a hammer or a core drill. Host sandstone samples were taken as close as practical...
1993
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)
... of occurrence of the concretions: A) spherical concretions (both sides of the hammer head); B) subspherical concretion; C) lenticular concretion; D) lenticular...
1995
MN and FE-Rich Black Travertine Shrubs: Bacterially (And Nanobacterially) Induced Precipitates
Henry S. Chafetz , Brahim Akdim , Ramon Julia , Arch Reid
Journal of Sedimentary Research (SEPM)
... by cathodoluminescence. Scales are: (A) rock hammer is approximately 28 cm long, (B) bars on scale are 1 cm long, and (C and D) bar equals 1 mm long...
1998
Geometry, Distribution, and Provenance of Tectogenic Conglomerates Along the Southern Margin of the Wind River Range, Wyoming: Part III. Middle Rocky Mountains
J. R. Steidtmann, L. T. Middleton, R. J. Bottjer , K. E. Jackson , L. C. McGee , E. H. Southwell, S. Lieblang
AAPG Special Volumes
... stacks of stringerlike fills of trough cross-bedded sandstone and conglomerate composed of angular clasts. Hammer shows scale. End_Page 325...
1986
Recognition of Ancient Eolian Longitudinal Dunes: A Case Study in Upper Bhander Sandstone, Son Valley, India
Pradip K. Bose, Snehasis Chakrabarty, Subir Sarkar
Journal of Sedimentary Research (SEPM)
... thickness (Length of hammer head, 11.5 cm). FIG. 8. Grainflow cross-strata (in facies 3). Note concentration of coarsest fraction at top of the foresets...
1999
Facies and Evolution of the Modern Brazos Delta, Texas: Wave Versus Flood Influence
Antonio B. Rodriguez, Michael D. Hamilton, John B. Anderson
Journal of Sedimentary Research (SEPM)
... Approximately 120 cores were collected for this study (Fig. 1A, B). Vibracores were collected onshore and in shallow waters, and a pneumatic hammer...
2000
Correlation and Stratigraphy of Triassic Red Peak and Thaynes Formations, Western Wyoming and Adjacent Idaho
M. Dane Picard , Rolf Aadland , Lee R. High, Jr.
AAPG Bulletin
.... N., chm., 1948, Rock color chart: Washington, D.C., Natl. Research Council, 6 p. High, L. R., Jr., and M. D. Picard, 1967, Rock units and revised...
1969
Early Cambrian Paleogeography, Frome Embayment, South Australia
H. Wopfner
AAPG Bulletin
..., emitting a strong organic odor when struck by the hammer, are present near the top of the Bunkers Sandstone at Reaphook Hill and north of Mt. Frome...
1970
Diagenetic heterogeneity in sandstone at the outcrop scale, Breathitt Formation (Pennsylvanian), eastern Kentucky
Kitty L. Milliken
AAPG Bulletin
... marks hammer seen in Figure 2B. (B) Grid of holes marking the collecting site for sample set C. Hammer is approximately 46 cm (18 in.) long. Porosity...
2001
High-resolution petrophysical, geochemical, and geomechanical profiling of a 230-m continuous core from the Montney Formation, Canada
Daniela Becerra, Christopher R. Clarkson, and Amin Ghanizadeh
AAPG Bulletin
... x-ray fluorescence), permeability (using a profile permeameter), and rock hardness (using a microrebound hammer tool) was obtained from a continuous...
2024