| 强烈热液交代金矿石Rb—Sr等时线意义讨论 |
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| 关键词:RbSr isochron hydrothermal metasomatized auriferous ore Altai Xinjiang |
| 基金项目:国家自然科学基金,中科院矿床地球化学开放实验室基金 |
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| The Geological Significance of the Estremely Hydrothermal Metasomatized Auriferous Ore Rb-Sr Isochron |
| The validity and its metallogenic implications of the extremely hydrothermal metasomatized auriferous ores RbSr isochron was carried out for the first time in Altai,Xinjiang.The results indicated that the RbSr isochron was of unambiguous significance under the following circumstances,(1)no epidote_bearing alteration assemblages(quartz±chlorite±sericite±albite,etc)were developed;(2)strongly altered(degree of pyritization greater than 70%)and(3)the initial strontium isotope ratio was homogenized.This'll be an alternative potential way to date the ore_forming related geological event and constrain the ore deposit genesis model. |
| WEI Chun-sheng,ZHENG Yong-fei,TU Guang-zhi.1997.The Geological Significance of the Estremely Hydrothermal Metasomatized Auriferous Ore Rb-Sr Isochron[J].Acta Geoscientica Sinica,18(3):290-298. |
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