江南造山带是指出露于扬子克拉通与华夏块体之间、主要由一套浅变质、强变形的新元古代巨厚沉积-火山岩系及时代相当的侵入体所构成的带状地质构造单元,呈弧形跨越了桂北、黔东、湘西、湘北、赣北、皖南、浙北和苏中的广大区域,属于格林威尔期增生型造山带。
The northeastern Hunan Province, which connects the Yangtze and Cathaysian blocks, located in the central section of the Jiangnan Orogen, not only has idiographic tectonic characteristics, but also is famous for intensive granitic magmatism and extensive gold ploymetallic ore formation.
湘东北地区位于扬子与华夏板块的交接部位江南造山带的中段,不仅具有独特的地质构造特点,而且以强烈的花岗岩岩浆作用及大规模金多金属成矿作用而著称。
参考来源 - 湘东北地区显生宙花岗岩岩浆作用及其演化规律·2,447,543篇论文数据,部分数据来源于NoteExpress
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