globalchange  > 过去全球变化的重建
Scopus记录号: 2-s2.0-81755171144
论文题名:
Stable-isotope geochemistry of syntectonic veins in Paleozoic carbonate rocks in the Livingstone Range anticlinorium and their significance to the thermal and fluid evolution of the southern Canadian foreland thrust and fold belt
作者: Cooley M.A.; Price R.A.; Kyser T.K.; Dixon J.M.
刊名: AAPG Bulletin
ISSN: 0149-1888
EISSN: 1558-9618
出版年: 2011
发表日期: 2011
卷: 95, 期:11
起始页码: 1851
结束页码: 1882
语种: 英语
Scopus关键词: Anoxic sediments ; Buildings ; Calcite ; Carbonate minerals ; Carbonation ; Deformation ; Exploratory geochemistry ; Fluids ; Hydrocarbons ; Isotopes ; Percolation (fluids) ; Quartz ; Sedimentology ; Solvents ; Strontium ; Zinc sulfide ; Basement faults ; Calcite veins ; Carbonate rock ; Devonians ; Equilibrium temperatures ; Fluid evolution ; Fold belts ; Foreland basin ; Formation fluids ; Host rocks ; Jurassic ; Meteoric waters ; Paleozoic ; Source rocks ; Structural traps ; Syn-tectonic veins ; Thermal maturation ; Thrust faults ; Western canada sedimentary basins ; Sedimentary rocks ; basement rock ; belemnite ; decollement ; Devonian ; dolomite ; fluid flow ; fold belt ; foreland basin ; geochemistry ; host rock ; hydrocarbon reservoir ; Jurassic ; meteoric water ; oxygen isotope ; sedimentary basin ; source rock ; sphalerite ; stable isotope ; strontium isotope ; syntectonic sediment ; thermal evolution ; thermal maturity ; thrust fault ; trap (geological structure) ; vein (geology) ; Canada ; Belemnoidea
Scopus学科分类: Energy ; Earth and Planetary Sciences
英文摘要: The Livingstone Range anticlinorium (LRA) marks a major hanging-wall ramp where the Livingstone thrust cuts approximately 1000 m (∼3281 ft) between regional decollement in the upper part of the Devonian Palliser Formation and the Jurassic Fernie Formation. Prethrusting and folding jasper ± fluorite ± sphalerite veins with halos of altered dolomitic host rock with high 87Sr/86Sr ratios (0.7094-0.7101) relative to most Paleozoic carbonate rocks (0.7081-0.7091) record percolation of fluids along basement faults that may also have contributed anomalously radiogenic strontium to diagenetically altered Paleozoic carbonate rocks throughout the Western Canada sedimentary basin. Fluid flow that occurred during thrust-propagation folding is recorded by dolomite ± calcite veins, with δ18O values that are similar to those of host rocks (-7.92 to-1.08%o Peedee belemnite). Anomalously high equilibrium temperatures (250 ± 50°C) as determined by oxygen-isotope thermometry and slightly higher 87Sr/86Sr ratios relative to adjacent host rocks indicate that they formed from formation fluids and hot basement fluids in a rock-dominated system. Calcite veins with very low δ18O values (-18 to-9%o) precipitated along faults that were active while the LRA was transported eastward by underlying thrust faults, uplifted, and rapidly cooled by infiltrating meteoric water. Thrusting created heating in the foreland basin ahead of the deformation because of the influx of thick insulating foreland basin sediments, causing thermal maturation of hydrocarbons. As thrusting deformation advanced through the rocks, infiltrating meteoric waters cooled the rocks and hydrocarbon maturation stopped. Structural traps accumulated hydrocarbons only if they were juxtaposed over both thermally favorable and hydrocarbon-favorable source rocks. Copyright © 2011. The American Association of Petroleum Geologists.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-81755171144&partnerID=40&md5=d120e1c8dd2354bb758fb74ff375305b
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/13457
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.,Kyser T.K.,et al. Stable-isotope geochemistry of syntectonic veins in Paleozoic carbonate rocks in the Livingstone Range anticlinorium and their significance to the thermal and fluid evolution of the southern Canadian foreland thrust and fold belt[J]. AAPG Bulletin,2011-01-01,95(11)
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