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The AAPG/Datapages Combined Publications Database
Showing 706 Results. Searched 200,619 documents.
Geostatistical Earth modeling of cyclic depositional facies and diagenesis
Thomas Le Blévec, Olivier Dubrule, Cédric M. John, and Gary J. Hampson
AAPG Bulletin
... by correlation coefficient β and then shifted by a vector noted α (equation 4 in the Appendix), which gives the direction of the cyclicity...
2020
Architectural analysis of subsurface meander-belt sandstones: A case study of a densely drilled oil field, Zhanhua sag, east of Bohai Bay Basin
Zhifeng Sun, Chengyan Lin, Xianguo Zhang, Dongxing Du, Yong Yang, and Jia Guo
AAPG Bulletin
... channel width (Wc) is estimated from measured channel story thicknesses (h) and the dip angle of lateral accretion surfaces (β) by using...
2020
Geochemical characterization and classification of crude oils of the Permian Basin, west Texas and southeastern New Mexico
Simon Echegu, Adry K. Bissada, and Louis Elrod
AAPG Bulletin
... (e.g., Pu et al., 1987; ten Haven et al., 1988). S, R, α, and β represent the stereochemical configuration of the biomarker in question. D &equals...
2021
Geological evaluation of suprasalt carbon storage opportunities in the Silverpit Basin, United Kingdom Southern North Sea
A. D. Hollinsworth, I. de Jonge-Anderson, J. R. Underhill, and R. J. Jamieson
AAPG Bulletin
... compressional velocity using Gardner et al. (1974)’s approximation: where ρ is the density, VP is the P-wave velocity, and α and β are constants derived from...
2022
Deep hydrothermal dolomitization in a superimposed basin that experienced multiple tectonic-thermal events
Zhiqian Gao, Duan Wei, Kaikai Li, Hairuo Qing, Shoutao Peng, Jingbin Wang, Ruisi Li, and Tailiang Fan
AAPG Bulletin
... et al. (2016), wherein ages are quoted without and with systematic uncertainties, as ± α/β, respectively. RESULTS Petrographic Characteristics...
2025
Chapter 16: Controls on Stratal Record: Mechanisms and Contingencies Affecting Sediment Supply and Accommodation
Kevin M. Bohacs
AAPG Special Volumes
... and character, aquifer character, and standing-water character (after Freeze and Cherry, 1979): (11) z 2 = - 2 β Q λ K z ( 1 + β x ( 11...
2022
Chapter 11: Origin and Petroleum System of the Cabo Frio High Between the Santos and Campos Basins: Reviewed Integration of Structural and Paleogeographic Reconstruction with the Oil and Gas Systems
W. U. Mohriak, A. Gordon, M. R. Mello
AAPG Special Volumes
... system include the presence of β-carotane, diasteranes/TPP ratio less than 1, gammacerane index between 0.12 and 0.30, Ts much lesser than Tm, hopane...
2021
Modest Change In Fluvial Style With Varying Accommodation In Regressive Alluvial-To-Coastal-Plain Wedge: Upper Cretaceous Blackhawk Formation, Wasatch Plateau, Central Utah, U.S.A
Gary J. Hampson, Thomas O. Jewell,, Nawazish Irfan,,† M. Royhan Gani, Bryan Bracken
Journal of Sedimentary Research (SEPM)
..., bankfull channel width is estimated from measured sandbody thickness (h) and the dip angle of lateral-accretion surfaces (β) using the relationship proposed...
2013
Bedform Disequilibrium
Paul M. Myrow, Douglas J. Jerolmack, J. Taylor Perron
Journal of Sedimentary Research (SEPM)
... larger, however, their migration rates (c) slow down as a consequence of mass conservation: where H is bedform height, and β is a shape factor...
2018
Active Ooid Growth Driven By Sediment Transport in a High-Energy Shoal, Little Ambergris Cay, Turks and Caicos Islands
Elizabeth J. Trower, Marjorie D. Cantine, Maya L. Gomes, John P. Grotzinger, Andrew H. Knoll, Michael P. Lamb, Usha Lingappa, Shane S. O'Reilly, Theodore M. Present, Nathan Stein, Justin V. Strauss, Woodward W. Fischer
Journal of Sedimentary Research (SEPM)
...) or octadecatrienoic acid (Cyanobacteria), the pigments Chlorophyll-a, phaeophytin a, β-carotene and zeaxanthin (algae and Cyanobacteria...
2018
Age Progression and Petrological Development of Samoan Shield Volcanoes: Evidence from K-AR Ages, Lava Compositions, and Mineral Studies
James H. Natland, Donald L. Turner
Circum Pacific Council Publications
... of Alaska, Fairbanks. K O values in parentheses by XRF (Natland, 1975) on separate pieces of the same rocks. - 1 0 - 1 0 y r - 1 - 4 40K/K β 2...
1985
Geophysical Data from the Continental Margin off Wilkes Land, Antarctica--Implications for Breakup and Dispersal of Australia-Antarctica
M. König
Circum Pacific Council Publications
... for the stretching fac tor β(Hegarty, 1 9 8 5 ) , corresponding to 3 0 % of crustal exten sion. Hegarty's detailed analysis of the stratigraphic record...
1987
Geochemical mudstone study of Late Pennsylvanian to early Permian strata in the southern margin of the Delaware Basin (Wolf Camp Hills, Texas) and its depositional implications
Maria A. Gutierrez,, Benjamin H. Richards,, Jake K. Sleight, Arthur D. Donovan, Michael C. Pope
Journal of Sedimentary Research (SEPM)
... and has a copper (Cu) target tube. The tube voltage was set to 40 kV and a current of 15 mA. Samples were scanned in a continuous mode, using a K-β...
2025
Subsidence Dynamics of the Montney Formation (Early Triassic, Western Canada Sedimentary Basin): Insights for its Geodynamic Setting and Wider Implications
Sébastien Rohais, Vincent Crombez, Tristan Euzen, John-Paul Zonneveld
CSPG Bulletin
... estimated the stretching with the Beta factor (β) (i.e. ratio between the initial crustal and the final crustal thickness; McKenzie, 1978) using...
2018
Sedimentology, Depositional Model, and Implications for Reservoir Quality
Daniel Minisini, Patricio Desjardins, Germán Otharán, Maximiliano Paz, Diego Kietzmann, Gregor Eberli, Carlos Zavala, Toni Simo, James H. Macquaker, Christian Heine
AAPG Special Volumes
...). Time of deposition derived from ammonite biozones (see Figure 5 of Minisini et al., 2020, this Memoir). A uniform crustal stretching factor (β) of 1.3...
2020
Structural Geology: Tectonic History, Macrostructures, Regional Fault Map, Fault Systems, Second-Order Structures, and Impact of the Inheritance
Denis Marchal, Rene Manceda, Ricardo Fabián Domínguez, Federico Sattler
AAPG Special Volumes
... indicates a low β factor of 1.074 (7.4% extension) (Jorgensen et al., 2014). At that time, the subduction was nonexistent or very slow (Ramos et al...
2020
Chapter 1: The Santos Basin Pre-Salt Super Giant Petroleum System: An Incredible Journey from Failure to Success
M. R. Mello, W. Peres, S. P. Rostirolla, O. A. Pedrosa, Jr., A. Piquet, S. Becker, P. O. Yilmaz
AAPG Special Volumes
...). The key biomarker features for the rock extract and oils are the presence of β-carotane (e.g., not showing in Figure 8), hopane/sterane ratio greater...
2021
Numerical Modeling of Tides in the Late Pennsylvanian Midcontinent Seaway of North America with Implications for Hydrography and Sedimentation
Martin R. Wells, Peter A. Allison, Matthew D. Piggott, Gerard J. Gorman, Gary J. Hampson, Christopher C. Pain, Fangxin Fang
Journal of Sedimentary Research (SEPM)
... of the following approximations is made: (1) the f-plane approximation, which applies a constant value of f to the entire domain (f = fo) or (2) the β...
2007
Organic geochemistry of the Eagle Ford Group in Texas
Andrea A. Miceli Romero, Thanh Nguyen, and R. Paul Philp
AAPG Bulletin
...). Isorenieratene can also be formed from aromatization of β-carotene, a common pigment of various photosynthetic organisms; therefore, some caution needs...
2018
Onshore–offshore correlations of Cretaceous fluvial-deltaic sequences, southern Baltimore Canyon trough
William J. Schmelz, Kenneth G. Miller, Gregory S. Mountain, James V. Browning, and Kimberly E. Baldwin
AAPG Bulletin
...-sea reflector β identified beneath the modern continental rise (Mountain and Tucholke, 1985). The carbonate platform was generally progradational...
2020
Timing and origin of multiple petroleum charges in the Solveig oil field, Norwegian North Sea: A rhenium-osmium isotopic study
Svetoslav V. Georgiev, Holly J. Stein, Judith L. Hannah, and Rolando di Primio
AAPG Bulletin
...:10.1021/ef201218m. The radioactive β− decay of 187Re to 187Os with time (decay constant λ = 1.666 ± 0.017 × 10−11 yr−1; half-life ca. 41.6 Ga; Smoliar et al...
2021
Fractal characteristics of pore networks and sealing capacity of Ordovician carbonate cap rocks: A case study based on outcrop analogues from the Tarim Basin, China
Jun Wu, Tailiang Fan, Enrique Gomez-Rivas, Anna Travé, Zhiqian Gao, Shanshan Wang, and Xiaolong Sun
AAPG Bulletin
...(
2021
Skempton’s poroelastic relaxation: The mechanism that accounts for the distribution of pore pressure and exhumation-related fractures in black shale of the Appalachian Basin
Terry Engelder, and Rose-Anna Behr
AAPG Bulletin
... 37-083-55942 (Zhou et al., 2018). Variable B is calculated using the following:where β is the isothermal bulk compressibility for the Hamilton Group...
2021
Northern Extension of Active Petroleum Systems in the Offshore Perth Basin an Integrated Stratigraphic, Geochemical, Geomechanical and Seepage Study
N. Rollet, M. Pfahl, A. Jones, J. Kennard, C. Nicholson, E. Grosjean, D. Mantle, D. Jorgensen, G. Bernardel, R. Kempton, L. Langhi, Y. Zhang, L. Hall, R. Hackney, S. Johnston, C. Boreham, D. Robertson, P. Petkovic, M. Lech
Petroleum Exploration Society of Australia (PESA)
... the observed tectonic subsidence curve for each well to a variety of predicted tectonic subsidence curves that were based on varying β values (stretching...
2013
Chapter 14: Gravity, Seismic Reflection, and Tomographic Constraints on the Subduction-to-Strike-Slip Transition at the Southeastern Caribbean Plate Boundary Zone
Tricia G. Alvarez, Paul Mann, Carlos A. Vargas, Lesli J. Wood
AAPG Special Volumes
... and station locations as foci. The ellipsoidal volume that is sampled by the coda wave at a given time (t) is, therefore, a function of the S-wave velocity (β...
2021