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The AAPG/Datapages Combined Publications Database
Showing 1,444 Results. Searched 200,691 documents.
Independent Control for Present Time-Scales: GEOLOGICAL NOTES
T. Binnert Haites
AAPG Bulletin
... boundaries are presumed to e correct and are used to obtain a vertex, most of the other pre-Tertiary rays through the vertex are found to connect...
1963
Abstract: Seismic Facies Classification Using Bayesian Networks; #90172 (2014)
Gu Yuan, Zhu Peimin, Rong Hui, Hai Yang, Zeng Fanping
Search and Discovery.com
... rays and adding 30% random Gaussian noise. 2 AAPG Search and Discovery Article #90172 © CSPG/CSEG/CWLS GeoConvention 2010, Calgary, Alberta, Canada...
2014
Abstracts: Locating Microseismicity in Three-Dimensionally Heterogeneous Reservoirs; #90173 (2015)
Adam M. Baig, Ted Urbancic, Margaret Seibel, Vladimir Shumila
Search and Discovery.com
... such as folding or faulting. . Although rays may still be traced in these volumes, they exhibit a more chaotic behaviour, especially as propagation...
2015
Timing, Emplacement, and Distribution of Mare-Fill Units in Oceanus Procellarum, a Large Nearside, Article #70063
William A. Ambrose
Search and Discovery.com
... and overlapping relationships between lavaflow units and bright rays associated with Copernican-age craters. Oceanus Procellarum contains the largest...
2009
Power and Limitations of X-ray Fluorescence from Cuttings: A Test in the Utica and Lorraine Shales from Quebec; #40766 (2011)
J-Y. Chatellier, E. Quartero, M. Urban, M. Molgat, A. Deconinck, and P. Francus
Search and Discovery.com
... is XRF? XRF measures the character of fluorescent/secondary X-rays XRF machine INRS Quebec City Machine designed for cores only Modified for Talisman...
2011
Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).
Yong Hua, Don C. Lawton
Search and Discovery.com
... times for a reliable inversion result. Based on computation time, sufficient sampling, and an optimal distribution of rays through each velocity grid...
2015
One-Dimensional Prestack Seismic Inversion with Very Fast Simulated Annealing using Edge-Preserving-Smoothing Filter; #41576 (2015)
Somanath Misra, Mauricio Sacchi
Search and Discovery.com
...-offset data are converted to the angle-domain by shooting rays from the source to receiver. The PP reflection coefficients are calculated from...
2015
Resource-Development and Environmental Challenges for Life on the Space Frontier; #70222 (2016)
William Ambrose, Bruce Cutright
Search and Discovery.com
... Curiosity Galactic Cosmic Rays, Solar Particle Events Radiation equivalent to whole-body Computed Axial Tomography (CAT) scan every 5 days Lifetime...
2016
Streamlining Log Calibration Workflows by Incorporation of Continuous, Digital Mineralogy Data, #42198 (2018).
Jenny Omma, Adam K. Moss, Gavin Hunt, Richard A. Williams, Mar Cortes Lopez
Search and Discovery.com
... QEMSCAN technology QEMSCAN technology Core or cuttings Polished surface ex-rays S i Al O Na keV Point scan X-ray spectrum Mineral match QEMSCAN...
2018
LITHISTID SPONGE-MICROBIAL REEF-BUILDING COMMUNITIES CONSTRUCT LAMINATED, UPPER CAMBRIAN (FURONGIAN) STROMATOLITES'
KEN P. COULSON, LEONARD R. BRAND
PALAIOS
... gnarled zygomes (Fig. 6E–6G) average about 50 lm in diameter, and are attached to rays which themselves average 30 to 40 lm in diameter (Fig. 360...
2016
Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)
A. EWAN CAMPBELL and JAN STAFLEU
AAPG Bulletin
... in image-ray migration modeling because of the refraction of rays through the small-scale features. Geometric effects caused lateral amplitude...
1992
Factors Affecting the Color of Sedimentary Rocks
Dilworth S. Hager
AAPG Bulletin
.... The blue shade is due to the presence of water and probably air in the pores of the shale, which reflect the blue rays of light. Such blue shales as retain...
1928
From X-Rays to Fission, A Metamorphosis in Mining
Clay T. Smith
Four Corners Geological Society
...From X-Rays to Fission, A Metamorphosis in Mining Clay T. Smith 1960 109 114 Although uranium (magic word of the atomic age!) was isolated...
1960
Strike Oriented, Swath Seismic and Its Potential Application to Exploration and Development in the Papuan Fold and Thrust Belt
William F. Robinson IV
Papua New Guinea (PNG) Petroleum Convention Proceedings
... Plot (constant velocity) with rays from dipping plane being reflected to inline and crossline common midpoint locations. Crossline time-dip, inline time...
1996
Formation of Hydrocarbons from Fatty Acids by Alpha-Particle Bombardment
C. W. Sheppard , W. L. Whitehead
AAPG Bulletin
... emit the highly penetrating electromagnetic radiations of gamma rays. The radioactivity of potassium presents some complexity. The rare isotope, atomic...
1946
Surface Correlation of Some Pennsylvanian Limestones in Mid-Continent by Thermoluminescence
Robert E. Bergstrom
AAPG Bulletin
... the limestone to the high-energy radiation of gamma rays or X-rays. A sample that is exposed to gamma or X-rays before heating exhibits greater...
1956
Perspective Correlation
T. Binnert Haites
AAPG Bulletin
... transversals requires the cross-ratio of a, b, and c to equal that of a^prime, b^prime, and c^prime. It should also be clear that the rays will not meet in one...
1963
Mg zonation and heterogeneity in low-Mg calcite microcrystals of a depositional chalk
Chanse J. Rinderknecht, Franek J. Hasiuk, Stephan C. Oborny
Journal of Sedimentary Research (SEPM)
...-Maxn EDS SDD has an area of 80 mm2 for detection of emitted X-rays. The area of the SDD is critical because larger SDD allow increased count rates...
2021
Modeling of Azimuthal Gamma Ray Tools for Use in Geosteering Unconventional Reservoirs
Haijing Wang, Ed Stockhausen, Dennis Wyatt, Dean Gulick
Unconventional Resources Technology Conference (URTEC)
... of natural gamma rays, the Compton scattering is the primary form of gamma ray interaction (Ellis et al., 2007). The attenuation of an emitted gamma...
2018
Geochemistry of Preserved Permian Aragonitic Cements in the Tepees of the Guadalupe Mountains, West Texas and New Mexico, U.S.A.
Henry S. Chafetz, Zhuodan Wu, Thomas J. Lapen, Kitty L. Milliken
Journal of Sedimentary Research (SEPM)
...: New York, Springer-Verlag, p. 58–80. Loucks, R.G., and Folk, R.L., 1976, Fanlike rays of former aragonite in Permian Capitan Reef pisolite: Journal...
2008
Relation of Radioactivity, Organic Content, and Sedimentation
Wilham L. Russell
AAPG Bulletin
... that oil has been generated extensively from bituminous shales. The theory that alpha rays from elements of the uranium and thorium series have been...
1945
Facies-Specific, Calcitic and Bimineralic Ooids from Middle and Upper Cambrian Platform Carbonates, Western Newfoundland, Canada
Nancy Chow , Noel P. James
Journal of Sedimentary Research (SEPM)
... and that inclusions are microdolomite and equidimensional to slightly elongate holes within the crystallites (Fig. 7c). Some ooids contain dark brown micritic rays...
1987
The Occurrence and Distribution of Sedimentary Zeolites in the Main Pass Area, Gulf of Mexico Basin
Matthew W. Totten Sr., Sheri Simpson, Elizabeth Powers,, Iris M. Totten
GCAGS Transactions
... in background x-rays surrounding the quartz peak suggests that little volcanic glass is present in this sample. Figure 3. X-ray diffractogram of sample...
2007
9C data acquisition for near-surface imaging in a quick-clay landslide-prone site in SW Sweden
Tatiana Pertuz, Alireza Malehmir
International Meeting for Applied Geoscience and Energy (IMAGE)
... by the vertical component (V) because of the rays returning in a steep angle (higher P-wave velocity). SS wave-modes, however, are only strongly recorded...
2022
Upper Devonian Calcispheres From Redwater and South Sturgeon Lake Reefs, Alberta, Canada
R. J. Stanton, Jr.
CSPG Bulletin
... except for the presence in A. pulchra of an outer layer covering the canaliculate rays of the wall. Our specimens more closely resemble...
1963