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Volume 12 Issue 2
Jun.  2001
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Liu Qingsheng, Wu Qifan, Li Haixia, Cheng Tongjin, Xia Xianghua, Chan Lung S, Zhang Shuang. Magnetic, Geochemical and Mineralogical Characteristics of Soils in Qiangtang Basin, Tibet, China: Implications for Prospective Oil and Gas Land. Journal of Earth Science, 2001, 12(2).
Citation: Liu Qingsheng, Wu Qifan, Li Haixia, Cheng Tongjin, Xia Xianghua, Chan Lung S, Zhang Shuang. Magnetic, Geochemical and Mineralogical Characteristics of Soils in Qiangtang Basin, Tibet, China: Implications for Prospective Oil and Gas Land. Journal of Earth Science, 2001, 12(2).

Magnetic, Geochemical and Mineralogical Characteristics of Soils in Qiangtang Basin, Tibet, China: Implications for Prospective Oil and Gas Land

  • Received Date: 2018-07-15
  • Rev Recd Date: 2018-07-15
  • Publish Date: 2018-07-15
  • Thealterationofironbearingmineralsinducedbyhydrocarbonmicroseepageaboveoil/gasreservoirshasbeenevaluatedusingmeasurementsofsoilmagneticsusceptibilityκ,geochemicalcompositions(gashydrocarbonandalterationcarbonateΔC),andcompositionandconcentrationofiron~bearingminerals.TheanalyseswereperformedalongtwoprofilesacrosstheQiangtangbasininTibet,China:theNuoermahu~Xuehuanhuprofile(C)andtheMugari~Huochetoushanprofile(E).Resultsshowthatthreestrongmagneticanomalies(C1,E1andE2anomalies)arerelatedtothedistributionofNeogenevolcanicrocksonthesurfaceintheGangmacuo~Xiyaerganguplift.Twootheranomalies(C2andE4anomalies),characterizedbybothmoderatelyamplitudemagneticsusceptibilityandelevatedsoilgashydrocarbons,occurnearfaultzonesintheCuoni~Donghusynclinorium.Theselatteranomaliesdisplaycharacteristicsofhydrocarbonmicroseepageanomaliescommonlyassociatedwithoilandgasaccumulations.TheirpresenceintheCuoni~DonghusynclinoriumsuggeststhatpartsoftheQiangtangbasinmayhavesignificantpetroleumpotential.
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Magnetic, Geochemical and Mineralogical Characteristics of Soils in Qiangtang Basin, Tibet, China: Implications for Prospective Oil and Gas Land

Abstract: Thealterationofironbearingmineralsinducedbyhydrocarbonmicroseepageaboveoil/gasreservoirshasbeenevaluatedusingmeasurementsofsoilmagneticsusceptibilityκ,geochemicalcompositions(gashydrocarbonandalterationcarbonateΔC),andcompositionandconcentrationofiron~bearingminerals.TheanalyseswereperformedalongtwoprofilesacrosstheQiangtangbasininTibet,China:theNuoermahu~Xuehuanhuprofile(C)andtheMugari~Huochetoushanprofile(E).Resultsshowthatthreestrongmagneticanomalies(C1,E1andE2anomalies)arerelatedtothedistributionofNeogenevolcanicrocksonthesurfaceintheGangmacuo~Xiyaerganguplift.Twootheranomalies(C2andE4anomalies),characterizedbybothmoderatelyamplitudemagneticsusceptibilityandelevatedsoilgashydrocarbons,occurnearfaultzonesintheCuoni~Donghusynclinorium.Theselatteranomaliesdisplaycharacteristicsofhydrocarbonmicroseepageanomaliescommonlyassociatedwithoilandgasaccumulations.TheirpresenceintheCuoni~DonghusynclinoriumsuggeststhatpartsoftheQiangtangbasinmayhavesignificantpetroleumpotential.

Liu Qingsheng, Wu Qifan, Li Haixia, Cheng Tongjin, Xia Xianghua, Chan Lung S, Zhang Shuang. Magnetic, Geochemical and Mineralogical Characteristics of Soils in Qiangtang Basin, Tibet, China: Implications for Prospective Oil and Gas Land. Journal of Earth Science, 2001, 12(2).
Citation: Liu Qingsheng, Wu Qifan, Li Haixia, Cheng Tongjin, Xia Xianghua, Chan Lung S, Zhang Shuang. Magnetic, Geochemical and Mineralogical Characteristics of Soils in Qiangtang Basin, Tibet, China: Implications for Prospective Oil and Gas Land. Journal of Earth Science, 2001, 12(2).

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