There is a close relation between Mesozoic tectonic evolution, fluid evolution, petrogenesis and mineralization in the Manzhouli-E' erguna region in the northeast of the Northern Orogenic Belt, China, and three evolution stages of the Mesozoic tectonic-fl
There is a close relation between Mesozoic tectonic evolution, fluid evolution, petrogenesis and mineralization in the Manzhouli-E' erguna region in the northeast of the Northern Orogenic Belt, China, and three evolution stages of the Mesozoic tectonic-fl
摘要本文讨论了北方造山带东北段满洲里-额尔古纳地区及其毗邻区中生代构造-流体-成岩成矿系统及其演化的三个不同阶段:1)早中侏罗世张性“似裂谷环境”下所形成的中基性碱性火山岩、同熔性花岗岩及深源流体活动形成的稀土矿床和斑岩性铜铝矿床;2)晚侏罗世挤压-剪切环境下所形成的酸性火山岩、斑岩类及深源流体活动所形成的铅锌银矿床;3)早白垩世张性环境下所形成的基性碱性火山岩及深源流体活动所形成的铀矿床、金银矿床及萤石矿床。