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The AAPG/Datapages Combined Publications Database
Showing 6,629 Results. Searched 200,673 documents.
Paleo-Ballantyne Strait of the Sverdrup Basin - Late Paleozoic and Early Mesozoic Gateway to Alaska, #50369 (2010)
Ashton Embry, Tom Brent,
Search and Discovery.com
... the Amerasia Basin at right angles. Restoration of northern Alaska and adjacent northeast Russia against the Canadian margin by clockwise rotation results...
2010
Stress Analysis of the Casper Mountain — Emigrant Gap Anticline Juncture, Natrona County, Wyoming
William C. Beck, Arthur E. Burford
Wyoming Geological Association
... to horizontal shows markedly more distinct groupings of maxima after rotation and suggests the following sequence of stress fields. The initial sigma...
1985
Measurement and Analysis of Fractures in Core
John C. Lorenz, Robin E. Hill
Rocky Mountain Association of Geologists
...Measurement and Analysis of Fractures in Core John C. Lorenz, Robin E. Hill Geological Studies Relevant to Horizontal Drilling: Examples from...
1992
Paleomagnetic Study of La Quinta Formation, Venezuela
R. B. Hargraves , R. Shagam
AAPG Bulletin
.... However, this correlation between the average vectors becomes worse if the beds are rotated to a horizontal position. The relative rotation needed...
1969
Structural Evolution and Active Tectonics of the Damour – Beit Ed Dine Fault Zone and the Southern Central Mt-Lebanon
Search and Discovery.com
N/A
Drilling Induced Petal Fractures in Coal Core: A Simple Method of Using These Features in Conjunction with Bore-Wall Breakout to Determine the Angular Relationship between Cleat and Maximum Horizontal Stress as Well as Cleat Azimuth in Vertical Drill-Holes
David Titheridge
Petroleum Exploration Society of Australia (PESA)
... (PP) Effective stress (σV) = WOB-PP Effective stress (σH,h) = TS + LSIWOB-PP Effective stress and components of horizontal stress Eastern...
2012
AAPG Archie Series, No. 1, Chapter 6: Petrophysical Properties of Thinly Bedded Formations
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
..., and a single horizontal semi-axis length, bh. We can define the aspect ratio, α, of such an ellipsoid as the ratio of the vertical to the horizontal semi...
2006
Problem of Secondary Tilt--Harker's Solution Corrected
Edmund M. Spieker
AAPG Bulletin
.... Draw AD^prime and turn off the angle AD^primeC^prime equal to the amount of rotation (dip of the upper beds). Draw OC^prime, which, according to Harker...
1938
ABSTRACT: Cycloid Tectonics: Kinematics of Transform Faulting Reevaluated, by Vincent S. Cronin; #91038 (2010)
Search and Discovery.com
2010
ABSTRACT: A Salt-Related Domic Structure Postdating Thrust Tectonics: An Example from the Cordillera Oriental, Colombia, by Camilo Montes, Mauricio Baquero, Daniel Castillo, Martin Cortes; #91020 (1995).
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1995
Paleostress Analysis of the Black Hills Uplift — Powder River Basin Margin of the Newcastle Area, Weston County, Wyoming
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N/A
Sedimentation and paleotectonics during mid-Miocene transrotation, Los Angeles and Ventura basins, southern California
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N/A
N/A
ABSTRACT: The Importance of Bedding Orientation When Looking for Fractures; #90108 (2010)
Charles R. Berg and Andrew Newson
Search and Discovery.com
... by rotation. In polar plots, most fractures will concentrate at the perimeter of the plot, to within 20 degrees of perpendicular, and will be most...
2010
Transtensional Analogue Modelling Applied to the Perth Basin, Western Australia
L. B. Harris, R. I. Higgins, M. C. Dentith, M. F. Middleton
Petroleum Exploration Society of Australia (PESA)
... the maximum principal stress was horizontal, not incorporated in this experiment, or rigid block rotation forming curved faults along which some layers...
1994
A look back at the Great Alaska Earthquake of March 27, 1964 - Abstract
George Plafker
Alaska Geological Society
... that circum-Pacific arcs represented major strike-slip zones related to counterclockwise rotation of the Pacific Ocean basin. These arguments were based...
2003
Insights into the mechanisms of fault-related folding provided by volumetric structural restorations using spatially varying mechanical constraints
Chris A. Guzofski, Joachim P. Mueller, John H. Shaw, Pierre Muron, Donald A. Medwedeff, Frank Bilotti, Carlos Rivero
AAPG Bulletin
... established forward models. In particular, our restoration results imply that detachment folds may grow with significant components of both limb rotation...
2009
Folding Mechanisms in a Fault-propagation Fold Inferred from the Analysis of Unconformity Angles: The Sant Llorenc Growth Structure (Pyrenees, Spain)
J. L. Alonso, F. Colombo, O. Riba
AAPG Special Volumes
... are hinge migration plus rotation (limited activity axial surfaces of Poblet et al., 1997) (Figure 11b) or shearing along the horizontal limb (Erslev...
2011
Development, Testing and Field Case Histories of a Sealed Junction Multilateral Well Completion System
J. R. Longbottom, Dana Dale, Kevin Waddell, John Roberts
Indonesian Petroleum Association
... material. The fixture was placed on a horizontal stand which allowed its rotation. A hydraulic ram assembly provided the push/pull force, and hydraulic...
1996
Age and Tectonics of Plutonic Belts in Accreted Terranes of the Klamath Mountains, California and Oregon
William P. Irwin
Circum Pacific Council Publications
... Triassic or E a r l y Jurassic t i m e and that virtually all rotation o f the K l a m a t h terrane h a d ceased by Early C r e t a c e o u s t i m e...
1985
Has the Eastern End of the Uinta Mountains Been Bent?: Paleomagnetic and Fault Kinematic Assessment
J. M. Ashby, J. W. Geissman, A. B. Weil
Utah Geological Association
... to test the hypothesis that the easternmost Uinta Mountains, northwest Colorado and northeast Utah, experienced clockwise sense rotation in response...
2005
Successful Strategies for Cost Reduction in Plug and Ball Seat Milling Operations
Don McClatchie, Jake Kardash, Lyndsey Thomas, Kevin, Lypkie
Unconventional Resources Technology Conference (URTEC)
... before circulation could resume. This method continued to be successful with the advent of horizontal wells since pipe rotation and the turbulence...
2015
Abstract: Effects of Local Block Rotations on the Amount of Paleomagnetically Determined Tectonic Rotation of the Western Transverse Ranges, by M. J. Kamerling; #90981 (1994).
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1994
Abstract: Rotational Folding in the Western Transverse Ranges, California, by N. W. Onderdonk; #90088 (2009)
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2009
Basic Wrench Tectonics
Ronald E. Wilcox , T. P. Harding , D. R. Seely
AAPG Bulletin
... between structural elements in wrench zones. MECHANICS OF WRENCHING Wrench faults form in response to horizontal shear couples within the earth's...
1973