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柴达木盆地北缘鱼卡-铁石观一带金红石矿床的发现及其地质意义

Geological bulletin of China(2014)

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Abstract
通过野外地质调查、岩石学、矿相学等研究手段,在柴达木盆地北缘鱼卡及铁石观一带均发现榴辉岩型金红石矿床,其单个矿体长可达千米以上,宽均达几米至几十米不等,金红石物相Ti平均品位可达2.58%,属于高钛榴辉岩的范畴,且其矿床地质特征与大别-苏鲁地区的金红石矿床特征极为相似。鱼卡和铁石观金红石矿床的发现,填补了柴北缘榴辉岩变质带没有金红石矿床的空缺,并暗示柴北缘地区有发现大型榴辉岩矿床的找矿远景。
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Key words
rutile deposit,North Qaidam,eclogite,Yuqia,Tieshiguan
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