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The AAPG/Datapages Combined Publications Database
Showing 2,476 Results. Searched 200,641 documents.
Real-time Evaluation of Perforation Efficiency Using Acoustic Friction Analysis During Proppant Ramp
Muhammad Khan, Saeed Rahimi-Aghdam
Unconventional Resources Technology Conference (URTEC)
... productivity and treatability. Researchers used a rapid rate change of 3-5 bpm during pumping to generate a water hammer to measure pressure losses...
2025
Peritidal Carbonate Platform Growth and Cyclicity in an Early Proterozoic Foreland Basin, Upper Pethei Group, Northwest Canada
Terry T. Sami, Noel P. James
Journal of Sedimentary Research (SEPM)
... into elongate clusters; B) irregular to laterally continuous laminae of fenestral microbial laminite (hammer is 34 cm long); C) microdigitate microbialite...
1994
Geology, Gravity, and Magnetics at Juncture of Southern and Central Appalachians, New Castle Area, Craig County, Virginia
Martin L. Bregman , Robert E. Francis, Jr.
AAPG Bulletin
.... and State Univ., Dept. Geol. Sci., 47 p. Hammer, S., 1939, Terrain corrections for gravimeter stations: Geophysics, v. 4, p. 184-194. Jackson, R. L...
1973
Composition and Architecture of Braided and Sheetflood-Dominated Ephemeral Fluvial Strata In the Cambrian–Ordovician Potsdam Group: A Case Example of the Morphodynamics of Early Phanerozoic Fluvial Systems and Climate Change
David G. Lowe, R.W.C. Arnott
Journal of Sedimentary Research (SEPM)
..., P.L., and Junxuan, F., 2013, The ICS international chronostratigraphic chart: Episodes, v. 36, p. 199– 204. Cotter, E., 1978, The evolution of fluvial...
2016
Deformation–sedimentation feedback and the development of anomalously thick aggradational turbidite lobes: Outcrop and subsurface examples from the Hikurangi Margin, New Zealand
Adam D. McArthur, Julien Bailleul, Geoffroy Mahieux, Barbara Claussmann, Alex Wunderlich, William D. McCaffrey
Journal of Sedimentary Research (SEPM)
... chart: Episodes, v. 36, p. 199– 204. Covault, J.A., Normark, W.R., Romans, B.W., and Graham, S.A., 2007, Highstand fans in the California borderland...
2021
History of the Piceance Basin from Latest Cretaceous Through Early Eocene and the Chracterization of Lower Tertiary Sandstone Reservoirs
Ronald C. Johnson, Romeo M. Flores
Rocky Mountain Association of Geologists
...: RMAG, p. 58-65. Piceance Basin Guidebook 52 Hettinger, R. D., and M. A. Kirschbaum, 1991, Chart showing correlations of some Upper Cretaceous...
2003
SHALLOW GEOTHERMAL: A DEEP PENETRATION IN THE GEO-ENERGY MARKET
Henk Kombrink
GEO ExPro Magazine
... in Sweden are drilled using percussion hammer drilling. “That’s what basement rocks are best for; you can drill very deep, and the borehole does...
2024
Mechanism and continuity of gypsum smears in the East Qiulitage anticline, Kuqa foreland basin, China
Tong Wu, Xiaofei Fu, Haixue Wang, Mingxu Lu, Lingdong Meng, and Lei Gong
AAPG Bulletin
.... Based on mechanical tests, we investigated the formation mechanism of gypsum smears. The uniaxial compressive strength tested using a Schmidt hammer...
2022
Geomorphology and Biological Erosion of Limestone Coasts in Malaysia
Ernest P. Hodgkin
Geological Society of Malaysia (GSM)
... _________ 1_ _ _ _ ____ 60 30 1 Surface of rock hard, rings to a hammer soft, hammer penetrates Macroscopic appearance sharp and much pitted...
1970
On the Oil-Bearing Capability of the Paleozoic Sediments of the Shchuchin Region
V. A. Dedeev В. А. Дедеев
Petroleum Geology: A Digest of Russian Literature
..., Their bitumen content does not exceed 0.02%, With a blow of the hammer one detects a noticeable odor that faintly resembles kerosene. A thick bed...
1958
EXTENDED ABSTRACT: Depofacies and Stratal Geometry of the Viento Formation: Implications for Evolution of the La Popa Weld, Northeastern Mexico
Constantin Platon, Amy Weislogel
GCAGS Transactions
... hammer is 33 cm long); (B) abundant, pebbles to cob bles, subrounded, metaigneous clasts (scale card is 15 cm long); (C) abundant, very-well rounded...
2010
Shell Taphonomy and Fidelity of Living, Dead, Holocene, and Pleistocene Land Snail Assemblages
Yurena Yanes
PALAIOS
... Analyses Data analyses were performed using PAST 1.39 software (Hammer et al., 2001) considering statistical significance at a 5 0.05. Spearman...
2012
Saline lakes a logical step in exploring habitability of "the final frontier"
Kathleen Nicoll, David B. Finkelstein
PALAIOS
... (Hammer 1981). With fewer trophic levels present in the ecosystem, it is assumed that these hypersaline environments have very efficient processes...
2014
The Anaconda Story: A Recollection
Samuel T. Pees
Petroleum History Institute
... dinner and had with him the only weapon in the group, a single-barrel, hammer shotgun. The line of men walking in the water behind me did not know...
2006
Seismic Shear Waves for Discriminating Lithology from Saturation Changes
T. L. Dobecki
Houston Geological Society Bulletin
... around and striking in the opposite direction, an S wave of opposite polarity is Figure 1. Example of hammer-impact shear wave source and field layout...
1989
Siting recharge basins and improving groundwater models using multiple survey methods in Southern California
Nicole Pendrigh, Michael Blazevic, John Jansen, Kristen Marberry
International Meeting for Applied Geoscience and Energy (IMAGE)
... of measurement directly from impact points to receivers (hammer shot points to geophones. respectively). The method provides the shear wave (Vs...
2022
Pencirian mekanik batuan syis amfibol, Putrajaya, Wilayah Persekutuan (IN MALAY), Mechanical characterization of amphibolite schist in Putrajaya
Abdul Ghani Rafek, Norsyafina Roslan
Geological Society of Malaysia (GSM)
... specifically a tremolite schist, graphitic schist and microgranite in the form of a dyke. The determination of the point load index, Schmidt hammer...
2004
Palaeontology: Gone Fossil Hunting...
James Etienne
GEO ExPro Magazine
...). Brightly coloured rucksack – easy to find if you put it down. It should contain PPE – hard hat if going near cliffs, hammer for loose samples...
2022
Flysch Pebble Conglomerate of the Cap-des-rosiers Formation (Ordovician), Gaspe Peninsula, Quebec
K. R. Aalto
Journal of Sedimentary Research (SEPM)
... of Section No. 3, Figure 2. Approximate strike and dip: N60°W 60°S. Note hammer in center for scale. FIG. 4. [Grey Scale] The contact between lower coarse...
1972
The Association of Alluvial Fan, Aeolian and Fluviatile Facies in the Caherbla Group (devonian), Dingle Peninsula, Ireland
Ralph R. Horne
Journal of Sedimentary Research (SEPM)
... distal, finer sandier facies of the Inch Conglomerate Formation. Hammer shaft is 30 cm long. FIG. 3B. [Grey Scale] Interbedding of aeolian sandstones...
1975
Trace Fossils in the Lower Tal Formation of Mussoorie and their Environmental Significance
D. M. Banerjee, M. J. Narain
Journal of Sedimentary Research (SEPM)
... silty sandstone showing convex epirelief (hammer gives scale). FIG. 4. a. Sketch of vertical cross section of the assymmetrical trail showing sand...
1976
Eduard Wenks Jungle Adventures in Sabah (1936 1939)
Mario M. A. Wannier
Geological Society of Malaysia (GSM)
... with parangs, stones and sticks. Such was the dramatic situation when I arrived on the scene that I also participated with rock samples and hammer...
2017
An Inexpensive, Diver-Assisted Percussion Coring Device
Jon C. Cawley, Bruce c. Parker
Journal of Sedimentary Research (SEPM)
... to the bottom, then begins lifting and dropping the weights to hammer the core tube progressively deeper into the sediment. Slow insertion by diver reduces...
2001
Chapter 86: Outcrop Examples of Amalgamated Channel Complexes, Tabernas Basin, Spain
Stephen P. J. Cossey, Kick Kleverlaan
AAPG Special Volumes
... at horizontal station 120 (see Figures 3 and 4) at the Cigar outcrop (hammer for scale). Note that the lowermost sandstone pinches out to the right...
2007
Late Proterozoic Submarine Canyons of Adelaide Geosyncline, South Australia
C. C. Von Der Borch , R. Smit , A. E. Grady
AAPG Bulletin
... image in GIF format. Fig. 6. [Grey Scale] Unit A facies: (a) purple matrix-rich diamictite of possible Bunyeroo Formation derivation (hammer for scale...
1982