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The AAPG/Datapages Combined Publications Database
Showing 2,423 Results. Searched 196,436 documents.
A Guide to the Upper Permian and Quaternary of North Central Texas: Road Log
W. J. Wilson
North Texas Geological Society
.... Hammer is at contact of the brown Quaternary overlying the red Permian shales. Figure. Giant cross-beds in Quaternary gravels just south of Gilliland...
1959
Kelligrews Quarry: Trilobites of the Manuels River Formation
Peter Wallace
Atlantic Geoscience Society Special Publications
... with a hammer and chisel. Many specimens are quite small and a magnifying glass or hand lens is quite handy for checking specific features...
1998
The Inola Limestone at its type locality on Inola Hill, Rogers County, Oklahoma
Jay M. Gregg
Oklahoma City Geological Society
... Hill. B. Outcrop of the Bluejacket coal and associated underclay on the west side of Inola Hill. Rock hammer shows scale. C. Lower bed of the Inola...
2011
A Sample of the Purington Shale Prepared as a Geochemical Standard
D. M. Moore
Journal of Sedimentary Research (SEPM)
... cm apart, and then with the rolls set 0.3 cm apart. Powdering was completed by running the sample through a hammer mill with stainless steel hammers...
1978
Summary: Chapter 4
B. R. Kulander, S. L. Dean, B. J. Ward Jr.
AAPG Special Volumes
... location is present on all handling-induced fractures. However, origins may be obscure, especially on fractures cutting coarse-grained rock. 2. Hammer marks...
1990
VSP and Well Logs from a Shallow Test Well
Search and Discovery.com
... using a hammer source with a downhole clamping 3C geophone. First-arrival times on the sonic logs and VSP seismograms gave P-wave velocities in the range...
2013
Depth of bedrock in the Seal Cove river valley, Newfoundland: a geophysical case study
E. Scott Schillereff, Hugh Miller, John E. Gale
Atlantic Geology
... electromagnetic and refraction hammer seismic methods. These geophysical interpretations, based on an assumed two-layer geometry, were compared with direct...
1987
High-Resolution Conodont Zonation for Kinderhookian (Middle Tournaisian) and Osagean (Upper Tournaisian-Lower Visean) Strata of the Western Edge of the Ozark Plateau, North America
Darwin R. Boardman, II, T. L. Thompson, Cory Godwin, S. J. Mazzullo, Brian W. Wilhite, Beau T. Morris
Oklahoma City Geological Society
... schemes (Figure 13) and a new updated conodont range chart (Figure 14) are presented in this report. We adopt the stratigraphic nomenclature proposed...
2013
Fault zone deformation and displacement partitioning in mechanically layered carbonates: The Hidden Valley fault, central Texas
David A. Ferrill, Alan P. Morris, Ronald N. McGinnis, Kevin J. Smart, William C. Ward
AAPG Bulletin
.... 803811.Aydin, A., and A. Basu, 2005, The Schmidt hammer in rock material characterization: Engineering Geology, v. 81, p. 114.Childs, C., T. Manzocchi...
2011
An Outcrop Study of Clastic Injection Structures in the Carboniferous Tesnus Formation, Marathon Basin, Trans-Pecos Texas
Timothy N. Diggs
AAPG Special Volumes
... bedding dips gently to the southeast (into the page) and is visible to the right of the hammer. Primary bedding is gently warped along the right margin...
2007
Sedimentology of a Precambrian Quartz-Pebble Conglomerate, Southwest Colorado
Frank G. Ethridge, Noel Tyler, Lary K. Burns
CSPG Special Publications
... of Vallecito Conglomerate near Table Mountain in the headwaters of Dead Horse Creek in the Emerald Lake quadrangle, SW Colorado. Hammer is 42 cm long. B...
1984
Conoco's Success with Support Activities for Their Slimhole Helirig Operations, Irian Jaya – A Case History
B. D. Seay
Indonesian Petroleum Association
... lb hammer. After being allowed to set for 12 hours or longer the blow count increased to as much a 72 blows per foot for a ± 6 times freeze factor...
1986
State of the Art in Characterization of Frac Stage Geometry, Skin and Conductivity Using Pressure Leakoff
Mohamed Mohamed, Mazher Ibrahim, Erdal Ozkan
Unconventional Resources Technology Conference (URTEC)
... time function � ∆𝑡𝑡 first few seconds of the pressure decay, a strong water hammer effect is observed due to the sudden change in the injection rate...
2020
Streaked-out Mud Ripples Below Miocene Turbidites, Puriri Formation, New Zealand
P. F. Ballance
Journal of Sedimentary Research (SEPM)
... are silty mudstone. FIG. 7. [Grey Scale] Convoluted ripple structures exposed in plan, showing typical ripple form. Length of hammer head 5...
1964
Successful Remedial of Collapsed Conductor Pipe With Collision Issue in Offshore Jack Up Operation
Aulia Hamdani Feizal, Made Allan Pribadi, Bidner Rivai Hasoloan Sianturi, Ridwan Durachman
Indonesian Petroleum Association
... conductor pipe (CP) was driven vertically by diesel hammer with construction barge prior to rig arrival on the platform. When drilling operations commenced...
2022
Wheeler Gorge Turbidite-Conglomerate Series, California; Inverse Grading
Richard V. Fisher, James M. Mattinson
Journal of Sedimentary Research (SEPM)
.... Hammer rests on large boulder about 1 foot stratigraphically above the contact with unit 5 (to right of hammer; not in picture). Light areas are zones...
1968
Alteration of Sandstone as Revealed by Spheroidal Weathering
M. T. Heald, T. J. Hollingsworth, R. M. Smith
Journal of Sedimentary Research (SEPM)
... though they remain gray in color. The weakened sandstones lack resilience when struck with a hammer and will break down relatively rapidly on exposure...
1979
Origin of Highly Elongate, Calcite-Cemented Concretions in Some Italian Coastal Beach and Dune Sands
Earle F. Mcbride , Gian Clemente Parea
Journal of Sedimentary Research (SEPM)
... solutions: Economic Geology, v. 36, p. 612-629. OZER, A., 1976, Geomorphologie du versant septentrional de la Sardaigne. Epreuve de Doctorat en Service...
2001
Salt Weathering Textures in Eocene Conglomerates, Southwestern California
Gary L. Peterson
Pacific Section SEPM
... of trying to break them with a hammer will convince most geologists that salt weathering is a more plausible explanation. What was an intriguing local...
1979
Supporting Oil Drilling Rigs in Indonesian Swamps
Paul M. Reed, Johannes Karundeng
Indonesian Petroleum Association
... the hammer-pile-soil-interaction. Essentially, the hammer and pile elements are modeled by a spring, mass and dashpot system. The soil is modeled by force...
1982
Caledonian Earth Movements in The Vicinity of End Mountain and South Fork Ghost River, Alberta, Canada
J. R. Patterson, T. P. Storey
CSPG Bulletin
... of the hammer. To its left, nearer the thrust plane, the laminated limestone has been replaced by a welded mass of marble. Even the bedding plane which...
1963
Coal Hardness and Rank Relationships of Some Utah and Colorado Coals
B. P. Hucka
Utah Geological Association
... scleroscope in rock testing (Deere and Miller, 1966) and in the construction field, a tester called the Schmidt rebound hammer based on the scleroscope...
1991
Mechanical Index Testing of Unconventional Resource Core
Andrew P. Rathbun, Russell T. Ewy
Unconventional Resources Technology Conference (URTEC)
... to use two commercially-available options, the Impulse Hammer and the Leeb Rebound Hardness tester. The Impulse Hammer drops a small hemispherical...
2017
Geochemical, Mineralogical, and Lithological Linkages in a Thick, Early Permian, Siliciclastic Succession, Midland Basin, West Texas, USA
Helen Hammon, Timothy Prather, Harry Rowe, Pukar Mainali, Mei Matheny, Robert Krumm
Unconventional Resources Technology Conference (URTEC)
... (XRF), X-ray diffraction (XRD), total organic carbon (TOC), nuclear magnetic resonance (NMR), and micro-rebound hammer (MRH). A deterministic model...
2019
Deformed Cross-stratification in Cretaceous Bima Sandstone, Nigeria
Glyn P. Jones
Journal of Sedimentary Research (SEPM)
... of cross-strata disturbance, exposed in stream west of Bambam. Looking N 70°E. Head of hammer is 7 in long. FIG. 4. [Grey Scale] Two deformed cross...
1962