西藏山南地区错那洞穹窿岩石地球化学异常特征

洛桑尖措, 卿成实, 李光明, 张林奎, 董随亮, 付建刚, 曹华文, 樊文鑫

Geochemical anomaly characteristics of Cuonadong Dome,southern Tibet

Jian-Cuo Luo-Sang, Cheng-Shi QING, Guang-Ming LI, Lin-Kui ZHANG, Sui-Liang DONG, Jian-Gang FU, Hua-Wen CAO, Wen-Xing FAN

图3 错那洞穹窿实测地质剖面A-A' 1—第四系冲洪积层;2—薄层粉砂岩夹细砂岩; 3—红柱石板岩局部夹炭质板岩;4—细砂质板岩夹泥质板岩;5—堇青石千枚岩;6—石榴石堇青石片岩;7—粉砂质板岩夹石榴石云母片岩;8—含十字石石榴石二云母片岩夹细砂质板岩;9—十字石榴石二云母片岩;10—云母石英片岩;11—蓝晶石片岩;12—条带状大理岩夹矽长岩;13—眼球状花岗片麻岩; 14—含石榴石白云母定向花岗岩;15—含石榴石二云母定向花岗岩;16—条带状花岗岩;17—含电气石二云母花岗岩;18—二云母花岗岩;19—含绿柱石伟晶岩脉;20—伟晶岩脉;21—断层破碎带;22—上拆离断层;23—下拆离断层

Fig.3 The measured geological profile A-A' of Cuonadong dome 1—Quaternary alluvial diluvial;2—thin siltstone intercalates fine sandstone; 3—andalusite-slate intercalated with carbonaceous slate;4—fine sandy slate argillaceous slate;5—cordierite phyllite; 6—garnet cordierite schist;7—silty slate intercalated with garnet mica schist;8—staurolite garnet mica schist intercalated with fine sandy slate;9—staurolite garnet dicmica schist;10—mica quartz schist;11—kyanite schist;12—bands of marble intercalate skarn;13—augen granitic gneiss;14—garnet muscovite directional granite;15—allochroite dimicaceous granite;16—banded granite;17—tourmalinite dimicaceous granite;18—dimicaceous granite;19—beryl pegmatite vein;20—pegmatite vein;21—fault fracture zone;22—upper detachment fault;23—underneath detachment fault