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The AAPG/Datapages Combined Publications Database

Showing 97,842 Results. Searched 200,626 documents.

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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

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