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The AAPG/Datapages Combined Publications Database
Showing 43,831 Results. Searched 200,619 documents.
Late Devonian Peraluminous Granitic Plutons in the Canso Area, Eastern Meguma Terrane, Nova Scotia
J. D. Hill
Atlantic Geology
... in muscovite, aluminum and alkalis and depleted in biotite and cafemic components relative to comparable rocks in other Meguma Terrane granites...
1988
Early Evolution of the OceansaA Weathering Model
G. Michel Lafon, Fred T. Mackenzie
Special Publications of SEPM
... abundances permits an eval 2 of the mass of the excess volatiles modeling of the reaction per balancing investigation Goldschmidt Rock Minerals Excess...
1974
Improving Depth Prediction Accuracy of Quantified Drilling Hazards
W. Scott Leaney, William H. Borland
Geological Society of Malaysia (GSM)
...). In the following sections we look at the geopressure problem, review the seismic trace inversion problem and examine the essential components of high...
1996
The Billy's Peak Mafic Complex of the Trinity Sheet, California: Roots of a Paleozoic Island Arc
Scott W. Petersen, Calvin G. Barnes, James D. Hoover
Pacific Section SEPM
... to determine the degree of structural disruption in the peridotite, owing to poor exposures; however, the relative structural integrity seen throughout much...
1991
Ichnologic, Taphonomic, and Sedimentologic Clues to the Deposition of Cincinnatian Shales (Upper Ordovician) Ohio, U. S. A.
Danita Brandt Velbel
Special Publications of SEPM
... The spatial distribution and density of biogenic structures in these trilobite shales fauna mostly Flexicalymene and Isotelus help clarify the relative...
1984
Quantitative Facies Characterization of the Wolfcamp Shale, Midland Basin Using Anisotropy of Magnetic Susceptibility and Hand-held X-Ray Fluorescence
Gerhard Heij, Bryan Turner, Alyssa Wickard, Doug Elmore
Unconventional Resources Technology Conference (URTEC)
... interval. Sample coordinate systems were reoriented using FMI logs and are projected relative to a geographic coordinate system. Reorientation...
2016
Using Hierarchical Cluster Analysis to Improve Facies Definitions in Permian Mudrocks (Wolfcamp and Lower Leonard), Midland Basin, Texas; #41986 (2017)
Robert W. BaumgardnerJr., Harry D. Rowe
Search and Discovery.com
... the abundance of elemental data (20+ major and trace elements for every data point) is problematic. The object of this study was an 852-ft continuous core...
2017
Diagenesis of Carbonate Debris Deposits from the Sebuku Block, Makassar Strait, Indonesia
Chrisna A. Tanos, Julie Kupecz, Argha S. Hilman, Dedi Ariyono, Ian L. Sayers
Indonesian Petroleum Association
... in resolving the paragenesis and relative timing of porosity development. Results indicate that the Late Oligocene debris flow carbonates have a complex...
2013
Deformation of Flysch Formations in the West Bourland Mountain Area, Western Marathon Basin, Texas
Mary Anne Duncan
West Texas Geological Society
... formations is poor relative to many of the older Paleozoic formations; however, the Dimple Limestone is resistant in the dry West Texas climate and forms...
1985
Regression Models for Faulted Structural Surfaces
W. R. James
AAPG Bulletin
.... (The sign of a3 indicates the relative direction of movement.) Estimation: For a given set of data the sum of squares of the residuals...
1970
Two-dimensional Kinematic Modeling of the Southern Kirthar Fold Belt, Pakistan
J. N. Fowler, R. Graham, W. Sassi, J. D. Smewing, J. Warburton
AAPG Special Volumes
... to assess the petroleum potential of foreland fold and thrust belts. The method employs the use of forward modeling and cross section balancing...
2004
Effect of High-Pressure Deformation on Permeability of Ottawa Sand
Mark D. Zoback , James D. Byerlee
AAPG Bulletin
... changes relative to an initial confining pressure of 20 bars and pore pressure of 7.5 bars and then extrapolating back to atmospheric conditions...
1976
Application of random forest algorithm to predict lithofacies from well and seismic data in Balder field, Norwegian North Sea
Hoang Nguyen, Bérengère Savary-Sismondini, Virginie Patacz, Arnt Jenssen, Robin Kifle, and Alexandre Bertrand
AAPG Bulletin
... to that criterion relative to the total number of samples in the training data. The model starts with the first node (root), in which both rainy and sunny...
2022
High Resolution Sequence Stratigraphy and Diagenesis in Carbonate Rocks, Wonosari Formation, Yogyakarta: An Outcrop Analog for Modeling Chalky Limestone Reservoir Distribution
Usman Jauhari, Budianto Toha
Indonesian Petroleum Association
... in the eastern and middle area but difficult to trace in the western area. This might be caused by the fact that relative sea level only exposes the eastern...
2005
BRAZOS 440-L FIELD OFFSHORE TEXAS
Richard F. Lane and Robert C. Pace
GCAGS Transactions
... Miocene age. SEISMIC ACQUISITION In 1995, after several years of relative inactivity, a speculative survey of 3-D seismic was shot by PGS/ Jebco using...
1998
Direct Evidence of Hydrocarbon Accumulations from Seismic Data
E. G. Selby
Indonesian Petroleum Association
.... The data were shot for 24-fold coverage and the trace spacing on this display is 25m. Figure 3 is a display of this same section where the vertical...
1975
Reduction of the Seismic Data Management Problem by Sign Bit Recording
J'T. O'Brien, W. P. Kamp, G. M. Hoover, G. W. Crosby
Indonesian Petroleum Association
... trace is composed of coherent repeatable signals and random noise. For single shot, single trace data noise levels are ordinarily comparable...
1979
Spring Deposits: Surface Expressions of the Henry's Fork Fault, Sweetwater County, Wyoming
Ronald W. Wiegman
Wyoming Geological Association
... on the Green River Formation in Sweetwater County, Wyoming, appear to trace an extension of the Henry's Fork fault system, Composed predominantly...
1965
Direction-dependent strain transfer function of DAS considering gauge length and pulse shape with its implications on high spatial resolution acquisitions
Peter Hubbard
International Meeting for Applied Geoscience and Energy (IMAGE)
... measurement information. DAS would be a convenient tool for these applications because of its large spatial coverage, trace density and exceptional strain...
2022
EXTENDED ABSTRACT: A comprehensive understanding of rare earth elements and yttrium in coal ash: enrichment mechanisms, speciation, and extraction techniques
Biao Fu, James C. Hower, Wencai Zhang, Hong Yao
The Society for Organic Petrology (TSOP)
... of the trace elements in coal, but also provide basis for modeling REY partitioning during coal combustion and for developing economically viable REY recovery...
2021
EXTENDED ABSTRACT: Organic petrology and geochemistry of the Los Molles Formation (Middle Jurasic) in the Picún Leufú area, Neuquén Basin
Fernando Larriestra, Georgina Erra, Marcos Comerio, Juan Pineda, Alejandro Gómez Dacal, Santiago Genta Iturreria, Eduardo G. Ottone
The Society for Organic Petrology (TSOP)
..., minor and trace elements percentages were obtained using a handheld XRF after the method described by Muller et al. (2017). 105 Copyright © 2021...
2021
Landsat Interpretation of Devil’s River – Marathon Uplift; Val Verde Basin, Southwest Texas
Patrick J. Shannon
West Texas Geological Society
... associated structural rollovers would be somewhere behind the surface trace. Small circular anomalies in this position seen in several places probably...
1998
Sedimentologic, Paleontologic, and Ichnologic Criteria for the Recognition of Ancient Estuarine Deposits: An Example from the Lower Cretaceous McMurray Formation in the Athabasca Oils Sands Area of Northeastern Alberta
Blair W. Mattison, Andrew J. Fox, S. George Pemberton
CSPG Special Publications
... and are restricted to lows on the unconformity surface. Relative sea level rise transformed the lower McMurray fluvial channels into a complex of estuarine channels...
1989
Shannon Sandstone, Salt Creek Area, Wyoming
Roderick W. Tillman
Wyoming Geological Association
... deposits and lowstand shoreface deposits. The Shannon contains few body fossils except for Baculites (smooth), however trace fossils are moderately...
1997
Uranium Distributions in Recent Skeletal Carbonates
Johannes H. Schroeder , Donald S. Miller, Gerald M. Friedman
Journal of Sedimentary Research (SEPM)
... portions of the skeleton; configuration and the factor of relative enrichment of this zone vary between different coral species. The branching coral...
1970