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The AAPG/Datapages Combined Publications Database
Showing 97,842 Results. Searched 200,626 documents.
Origin of Transverse Faulting, Rocky Mountain Front Ranges, Canmore, Alberta
Ian W. Moffat,, John H. Spang
CSPG Bulletin
... orthogonal sets, but that fracture orientations are generally diverse because of a complex strain history. As such, fractures observed in the field today...
1984
Sole Marks and Combined-flow Storm Event Beds in the Brixton Formation of the Siliciclastic Archean Witwatersrand Supergroup, South Africa
Nicolas J. Beukes
Journal of Sedimentary Research (SEPM)
... feature is the slightly curvilinear form of some of the groove and skim marks (Fig. 3A, B, D). Two sets of curvilinear groove marks commonly intersect...
1996
Seismic Detection of Source Rocks
Ian Davison, Karyna Rodriguez, David Eastwell
GEO ExPro Magazine
... aligned clays , mica and squashed kerogen. Low seismic velocity orthogonal to bedding and high parallel to bedding. Anomalously large AVO effect at top...
2018
Magnetic Stratigraphy of the Middle Eocene Santiago Formation, San Diego and Orange Counties, California
Donald R. Prothero
Pacific Section SEPM
... IT 1M 0 BOO M S' E" N E W S N Is noun Figure 2. Orthogonal demagnetization ("Zijderveld") plots of representative samples. Squares indicate...
2001
Paleomagnetism of the Upper Eocene Gries Ranch Formation, Grays Harbor County, Washington
Donald R. Prothero, Casey Burns
Pacific Section SEPM
... Section, SEPM (Society for Sedimentary Geology) N,Z AFOO 0 50 25 TT0600 AFOOO ~~----------~--~E ,.._ _... 2ptm Figure 2. Orthogonal...
2001
Inversion Tectonics and the Structural Development of the Elk/Antelope Gas Field, Papua New Guinea
A. Goldberg, D. Holland
Petroleum Exploration Society of Australia (PESA)
.... These two tectonic wedges were interpreted by Medd (1996) as a single Puri Triangle Zone. Hobson (1986) interpreted a triangle zone beneath...
2008
Dolomitization of Mississippian Carbonates in the Shell Waterton Gas Field, Southwestern Alberta: Insights from Paleomagnetism, Petrology and Geochemistry
Michael T. Lewchuk,, Ihsan S. Al-Aasm,, David T.A. Symons, Kevin P. Gillen
CSPG Bulletin
..., comparison of these two data sets enabled the true azimuth of the MOL to be determined. Therefore, the remanent magnetization directions could be corrected...
1998
Interpreting Stratal Architecture in Shelf-top Carbonate Systems: an Example from the Seven Rivers Formation, Mckittrick Canyon, New Mexico, U.S.A.
Benjamin P. Smith, Charles Kerans
Journal of Sedimentary Research (SEPM)
... siltstone at the base of cycles. G18 High-Frequency Sequence The five cycle sets of the G18 sequence can be subdivided into two transgressive cycle sets...
2018
Observations on Joint Zones in Moravia, Czechoslovakia
Miroslav Plicka
Utah Geological Association
... Karst, for instance, they control the shape of dry valleys. Cave tunnels follow joint zones and, especially at the crossing of two sets, sinkholes...
1974
Sedimentology and Reservoir Characteristics of a Middle Jurassic Fluvial System, Datong Basin, Northern China
X. YU, X. MA, H. QING
CSPG Bulletin
...) A transverse bar (TB) with high-angle planar-tabular crossbeds (lithofacies Sp-ghb); C and D) Trough crossbedding with large bed sets (lithofacies St-le); E...
2002
La Paz Field Study: Multidisciplinary Approach in Fractured Reservoir Characterisation and Applications to Field Development
Judith Garcia, Gedi Gonzalez, Patrick Leandri, Thierry Lorin, André Reymond
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
.... The thorough 3D seismic data interpretation revealed a very high number of secondary faults, with frequent short extension (one or two kilometres...
2000
A Comparison between Geostatistical Inversion and Conventional Geostatistical-simulation Practices for Reservoir Delineation
C. Torres-Verdn, A. Grijalba-Cuenca, H. W. J. Debeye
AAPG Special Volumes
... of the underlying structural embedding. Seismic traces are evenly spaced at 25-m (82-ft) intervals along the two horizontal, orthogonal directions...
2006
Paleozoic Rocks of the San Juan Basin: An Exploration Frontier
G. M. Stevenson
Four Corners Geological Society
.... The Colorado Plateau is bounded and intersected by a network of orthogonal fracture sets aligned in a northwest and northeast direction. This structural...
1983
Structural Evolution, Maturation History, and Hydrocarbon Potential of the Penyu Basin, Offshore Peninsular Malaysia
Mazlan B. Hj. Madon, Azlina Anuar, Robert Wong
Indonesian Petroleum Association
... Anuar, Robert Wong 1997 403 424 The Penyu Basin comprises half-grabens that are bounded by two major sets of faults: 1) NW-trending faults, which may...
1997
P- and S-Wave Velocity Structures of the Sigsbee Abyssal Plain of the Gulf of Mexico from Ocean Bottom Seismometer Data
Sangmyung D. Kim, Seiichi Nagihara, Yosio Nakamura
GCAGS Transactions
... processing: Society of Exploration Geophysicists, Tulsa., 526 p. Zelt, C.A., and R.B. Smith, 1992, Seismic traveltime inversion for two dimentional...
2000
Laramide Paleostress Trajectories From Stylolites In The Big Bend Region
Richard J. Erdlac, Jr.
West Texas Geological Society
... sets of monoclines - an en echelon set over a left-slip basement fault, and the single Bend monocline draped over the uplifted edge of a basement block...
1994
Eolian Environments
Robert J. Weimer, Karen W. Porter, Cooper B. Land
Special Publications of SEPM
... of gray to black clay. Individual cross sets show 234 principally three types of contact relationships to each other: (a) the two sets of cross...
1985
Magnetic Stratigraphy and Tectonic Rotation of the Upper Paleocene San Francisquito Formation, Los Angeles County, California
Donald R. Prothero, Robert B. Vacca
Pacific Section SEPM
... of Opdyke et al. (1977), which are statistically clustered; circles with diagonal pattern are Class II sites, which had only two samples, so no statistics...
2001
Abstract: Time-Frequency Polarization Analysis and Filtering; #90211 (2015)
Robert Pinnegar
Search and Discovery.com
... to understand if we start by thinking of the whole seismogram in terms of the Fourier transforms of its orthogonal components (Pinnegar, 2006). The Fourier...
2015
BRAIDED-RIVER ARCHITECTURE OF THE TRIASSIC SWARTBERG MEMBER, KATBERG FORMATION, SOUTH AFRICA: ASSESSING AGE, FLUVIAL STYLE, AND PALEOCLIMATE AFTER THE END-PERMIAN EXTINCTION
Martin R. Gibling, Ruofei Jia, Robert A. Gastaldo, Johann Neveling, Heriberto Rochín-Bañaga
Journal of Sedimentary Research (SEPM)
... affected. METHODS Swartberg Koppie Data Acquisition Two UAVs were deployed to obtain orthogonal images of the cliff, a DJI Phantom 3 Pro...
2023
Sedimentological and Sequence Stratigraphic Organization of a Foreland Clastic Wedge, Mannville Group, Western Canada Basin
Douglas J. Cant
Journal of Sedimentary Research (SEPM)
.... For the Mannville, because of the longitudinal paleoflow and facies gradient orthogonal to the subsidence gradient, two-dimensional models are inapplicable...
1996
Regional Tectonics and Structural Evolution of the Monterey Bay Region, Central California
H. Gary Greene
Pacific Section of AAPG
... decades indicate that the region has been subjected to at least two different types of tectonic forces; to a pre-Neogene orthogonal converging plate...
1990
Permeability Anisotropy and Heterogeneity of a Sandstone Reservoir Analogue: An Estuarine to Shoreface Depositional System in the Virgelle Member, Milk River Formation, Writing-on-Stone Provincial Park, Southern Alberta
Rudi Meyer, Federico F. Krause
CSPG Bulletin
... heterogeneity. For this study, a large number of vertical plugs were drilled (n = 535), together with mutually orthogonal horizontal plugs (n = 1038), so...
2006
Arcuate Structural Trends and Basin and Range Structures Based on a Study of ERTS-1 Imagery
Martha Ryder Smith
Utah Geological Association
... show up as en echelon structures. Concentric Sets Many of the arcuate trends also occur in concentric sets, and I have found that one way...
1974
Abstract: Structural Controls on the Vertical Growth of Microseismicity Revealed Through Moment Tensor Inversion; #90174 (2014)
Adam M. Baig, Ted I. Urbancic, and Shoshana B. Goldstein
Search and Discovery.com
... with two of different joint sets, J1 and J2 ,as observed by Engelder et al. (2009) in outcrop, core and borehole images. The earlier joints, J1, strike ENE...
2014