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The AAPG/Datapages Combined Publications Database
Showing 18,792 Results. Searched 200,599 documents.
Pore-scale Evaluation of Nuclear Magnetic Resonance Measurements in Organic-Rich Mudrocks Using Numerical Modeling
Saurabh Tandon, Zoya Heidari, Hugh Daigle
Unconventional Resources Technology Conference (URTEC)
... of magnitude higher than that for WMT model to get comparable values of surface relaxation coefficients. (5) WMT model predicts that surface relaxation...
2017
Hydraulic Sorting of Heavy-Mineral Grains by Swash on a Medium-Sand Beach
Michael G. Hughes, Jock B. Keene, Rebecca G. Joseph
Journal of Sedimentary Research (SEPM)
... beaches, where incident swell frequencies dominate the wave spectrum at the shoreline (Hughes 1992; Hughes et al. 1997). Moreover, the magnitude...
2000
Authigenesis of Impact Spheroids in the K/T Boundary Clay from Italy: New Constraints for High-Resolution Stratigraphy of Terminal Cretaceous Events
Alessandro Montanari
Journal of Sedimentary Research (SEPM)
... been found in a 4-m interval containing the K/T boundary. These peaks are 1-2 orders of magnitude smaller than those reported by Crocket et al. (1988...
1991
Depositional Systems, Biostratigraphy and Sequence Stratigraphy of Lower Cambrian Grand Cycles, Southwestern Great Basin
Jeffrey F. Mount, Donna L. Hunt, Lawrence R. Greene, Jennifer Dienger
Pacific Section SEPM
... of the transition from rift-phase subsidence to thermotectonic subsidence associated with continental separation remains in dispute. This uncertainty stems...
1991
Alluvial Fan Sequence and Megasequence Models: With Examples From Westphalian D — Stephanian B Coalfields, Northern Spain
Alan P. Heward
Dallas Geological Society
... event magnitude, and an absence of reworking by subsequent floods. “The prime requisite of fan formation is the setting of highland and lowland side...
1977
Alluvial Fan Sequence and Megasequence Models: With Examples From Westphalian D — Stephanian B Coalfields, Northern Spain
Alan P. Heward
CSPG Special Publications
... event magnitude, and an absence of reworking by subsequent floods. “The prime requisite of fan formation is the setting of highland and lowland side...
1977
Quantitative analysis of slip-induced dilation with application to fault seal
Scott J. Wilkins, Stephen J. Naruk
AAPG Bulletin
.... 17271747.Panda, M. N., and L. W. Lake, 1994, Estimation of single-phase permeability from parameters of particle-size distribution: AAPG Bulletin, v. 78, p...
2007
Inherited Grain-Rimming Clays in Sandstones from Eolian and Shelf Environments: Their Origin and Control on Reservoir Properties
Michael D. Wilson
Special Publications of SEPM
... spectrum iron in both this and the area X ray EDX analysis for the shown in D is virtually identical previous spectrum may primarily occur...
1992
Clastic TidalitesA Partial Retrospective View
George D. Klein
Special Publications of SEPM
... it is not ABSTRACT Research PHASE I Facies on tidalites sediments mapping of Holocene tidalites in discussed herein on intertidal sand bodies...
1998
Experimental Dissolution of Calcium, Magnesium, and Strontium from Recent Biogenic Carbonates: A Model of Diagenesis
Johannes H. Schroeder
Journal of Sedimentary Research (SEPM)
... positions, absorbed in lattice interstices, or as inclusions). This suggests the presence of more than one mineral phase in the skeletal material studied...
1969
The Use of Borehole Imaging Techniques in the Exploration for Stratigraphic Traps: An Example from the Middle Devonian Gilwood Channels in North-Central Alberta
Roger N. Dueck, Eric F.W. Paauwe
CSPG Bulletin
.... Marine Geology, v. 1, p. 240-258. Miall, A.D. 1974. Paleocurrent analysis of alluvial sediments: a discussion of directional variance and vector magnitude...
1994
The Use of Borehole Imaging Techniques in the Exploration for Stratigraphic Traps: an Example from the Middle Devonian Gilwood Channels in North-central Alberta
Roger N. Dueck, Eric F. W. Paauwe
CSPG Special Publications
... of alluvial sediments: a discussion of directional variance and vector magnitude. Journal of Sedimentary Petrology, v. 44, p. 1174–1185. Moody-Stuart, M...
1995
Field and Modelling Studies of Cambrian Carbonate Cycles, Virginia Appalachians: REPLY
J. F. Read, W. F. Koerschner III, D. A. Osleger, G. A. Bollinger, C. Coruh
Journal of Sedimentary Research (SEPM)
..., DAVISON, F.C., SIBOL, M.S., AND BIRCH, J.B., 1989, Magnitude recurrence relations for the southeastern United States and its subdivisions: Journal...
1991
Chalk From the Ekofisk Area, North Sea: Nannofossils + Micropores = Giant Fields
Charles T. Feazel, Helen E. Farrell
Special Publications of SEPM
... such sediments under normal sea-floor conditions until they are grain-supported leaves 45-50 percent porosity. Porosities approaching t h i s magnitude...
1988
Experimental Results and Potential for Hot Dry Rock Geothermal Resources
John C. Rowley, Grant Heiken, Hugh D. Murphy, Michio Kuriyagawa
Circum Pacific Council Publications
..., California. A l l the above research a n d development projects h a v e provided demonstrations of energy production from a spectrum of differ ent...
1982
Origin of Remanent Magnetization in Dolomite from the Monterey Formation
J. Scott Hornafius
Pacific Section SEPM
... Curves Thermal demagnetization experiments demonstrate that the blocking temperature spectrum of the magnetic mineral carrying both the primary...
1984
Analysis of Electromagnetic Depth Sounding Responses Over a Layered Earth: Investigating Oil & Gas Seeps in the Petroleum Provinces
Shastri L. Nimmagadda, Andrew Ochan
Petroleum Exploration Society of Australia (PESA)
... in which the observations are made and radiation and phase retardation are negligible, so to say, the effects of propagation are totally disregarded...
2016
Mapping Stratigraphic Traps with Electrical Transients
Jamil Azad
CSPG Bulletin
... in the subsurface and may provide a semiquantitative estimate of their magnitude. The method works irrespective of structure, making it ideally suited to deal...
1977
Biogeochemical Reactions in a Diffusion-limited Zone Around Wellbore Cement Relevant to Underground Hydrogen Storage
Christopher Rooney, Qingyun Li
Unconventional Resources Technology Conference (URTEC)
... at 2471 eV and 2482.5 eV where the S K-edge spectrum for sulfide and sulfate have their greatest intensity. Multi-energy maps of Fe on cement cross...
2023
Enhancing Lithology Classification through a Deep Learning Framework
P. Zhang, T. Gao, R. Li
Unconventional Resources Technology Conference (URTEC)
... aspect of the ML pipeline—from raw data acquisition to model optimization. The following sections outline each phase in detail. Data Collection...
2025
Petrographic Examination of Sedimentary Rocks in the Sem Using Backscattered Electron Detectors
Kenneth Pye, David H. Krinsley
Journal of Sedimentary Research (SEPM)
..., A reappraisal of the complete electron emission spectrum in scanning electron microscopy: Jour. Phys. D, v. 6, p. L105-LI07. ROBINSON, V. N. E., 1975...
1984
Influence of Organic Matter in Soils on Radar-Wave Reflection: Sedimentological Implications
Remke L. van Dam,, Elmer H. van den Berg, Sytze van Heteren, C. Kasse, Jeroen A.M. Kenter, Koos Groen
Journal of Sedimentary Research (SEPM)
... to the magnitude of change, is reflected. The reflection coefficient is given by RC = (Z2 - Z1)/(Z2 + Z1), where Z1 and Z2 are the dielectric impedances...
2002
Depositional Patterns in the Late Holocene Po Delta System
Annamaria Correggiari, Antonio Cattaneo, Fabio Trincardi
Special Publications of SEPM
...) Piacenza (936 m3 s-1), (4) Boretto (1150 m3 s-1), and (5) Pontelagoscuro (1470 m3 s-1). Arrow width indicates discharge magnitude. In brackets...
2005
CRITERIA FOR IDENTIFYING FOSSIL NUCLEAR REACTORS AND THEIR APPLICATION TO SASKATCHEWAN
K.E. Apt and E.A. Bryant
Saskatchewan Geological Society
... in the form of water and hydrated mineral species moderated the fission neutron spectrum, suggesting that as the "critical" uranium emplacement occurred...
1977
The Future of Fossil Fuels in Canada: Presented to the C.S.P.G. Wednesday, June 20, 1973 at the Al San Club
G. D. Grant
CSPG Bulletin
... that the major thrust of our energy brief concern itself with the location of and magnitude of these resources, and their availability to society...
1973