globalchange  > 过去全球变化的重建
DOI: 10.130e/01271107097
Scopus记录号: 2-s2.0-81755171149
论文题名:
Along-strike variations and internal details of chevron-style, flexural-slip thrust-propagation folds within the southern Livingstone Range anticlinorium, a paleohydrocarbon reservoir in Southern Alberta Foothills, Canada
作者: Cooley M.A.; Price R.A.; Dixon J.M.; Kyser T.K.
刊名: AAPG Bulletin
ISSN: 0149-1819
EISSN: 1558-9549
出版年: 2011
发表日期: 2011
卷: 95, 期:11
起始页码: 1821
结束页码: 1850
语种: 英语
Scopus关键词: Alberta ; Basement faults ; Cataclastic flow ; Complex fracturing ; Curvature analysis ; Devonians ; Gradual changes ; Internal deformation ; Jurassic ; Minor components ; Pressure solution ; Relative displacement ; Subsurface structures ; Vein formation ; Deformation ; Rotation ; Buildings ; anticline ; basement rock ; curvature ; decollement ; Devonian ; displacement ; flexure ; hanging wall ; hydrocarbon reservoir ; Jurassic ; slip ; strike (geology) ; thrust fault ; vein (geology) ; Alberta ; Canada
Scopus学科分类: Energy ; Earth and Planetary Sciences
英文摘要: The Livingstone Range anticlinorium marks a hanging-wall ramp across which the Livingstone thrust cuts up eastward approximately 1000 m (∼3280 ft] between regional decollements in the Devonian and the Jurassic strata. It is well exposed and provides actualistic models for exploration of analogous subsurface structures. More than 30 km (>19 mi) of detailed mapping along strike reveals generally gradual changes, punctuated by abrupt terminations or offsets of structures at northeast-to east-trending tear faults, interpreted to be reactivated basement faults. Some folds plunge out at tear faults, forming domal culminations between them. Hinge zones of chevron-style, flexuralslip thrust-propagation folds display a distinctive pattern of rampflat thrusting comprising stacked detachment thrusts, each of which emerges from a different zone of interbed slip in the backlimb and deflects the hinge zone eastward. Each successively lower detachment thrust dies out in the hinge zone just below an overlying one. Displacements on the detachments, rotation of fold limbs, and interbed flexural slip were integrated kinematically. Thrust-propagation folding involved a form of cataclastic flow: individual blocks of rock delimited by faults, joints, and sheared bedding surfaces underwent minor relative displacements with little or no internal deformation, despite large translations and rotations of the thrust sheet. Pressure solution and vein formation were widespread but were minor components of the deformation. Complex fracturing within the anticlines is dominated by conspicuous widely spaced [∼150 m [∼490 ft]) transverse (east-northeast-striking) zones of intense fracturing that transect hinge zones and limbs. These permeable zones likely originated by reactivation of basement faults, and their significance may not be predictable by curvature analysis.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-81755171149&doi=10.130e%2f01271107097&partnerID=40&md5=299fcff8d093568af5397a78139b24fc
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/13388
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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Recommended Citation:
Cooley M.A.,Price R.A.,Dixon J.M.,et al. Along-strike variations and internal details of chevron-style, flexural-slip thrust-propagation folds within the southern Livingstone Range anticlinorium, a paleohydrocarbon reservoir in Southern Alberta Foothills, Canada[J]. AAPG Bulletin,2011-01-01,95(11)
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