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The controls of the host basins on ore-forming elements from the sedex deposits in Xizang
Author(s): LI Jingao, WANG Quanhai, ZHENG Minghua, ZHOU Zuyi, HU Xiaoqiang, YAO Peng, LIU Hongfei, YANG Chengyu
Pages: 11-
20
Year: 2001
Issue:
4
Journal: SEDIMENTARY GEOLOGY AND TETHYAN GEOLOGY
Keyword: 西藏; sedex型矿床; 赋矿盆地; 成矿元素;
Abstract: "青藏高原热”的掀起,极大地提高了西藏境内基础地学的研究水平和认识程度,为正确把握西藏喷流型及其它类型矿产资源的战略地位奠定了良好的基础.在此基础上,通过对甲马、沙拉岗矿区的矿床学研究,笔者认为它们都受"盆、相、位”的严格控制,具有喷流沉积的一般特征,属sedex型矿床的范畴.但二者之间却又存在元素组分、矿物成分、结构构造等方面的明显差异.产生这种差异的根本原因在于其形成的大地构造背景和盆地性质不同.
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