节点：中游（冶炼、中间品）位置：中游情绪：利好参考度：4/10
中国地质调查局昆明自然资源综合调查中心近期在滇东南卡林型金矿成矿作用研究中取得多项关键突破，为我国西南地区金矿资源勘探开发及矿产资源战略储备提供核心科学支撑。
滇东南地处扬子板块与华南板块结合带，构造复杂、成矿条件优越，是我国卡林型金矿重要分布区。昆明中心团队选取老寨湾、堂上、底圩等典型矿床，通过精细矿物学表征、多元地球化学示踪及高精度原位微区分析，结合国际前沿成矿理论，系统厘定区域成矿事件序列。核心创新发现为：典型矿床载金黄铁矿普遍发育韵律式环带结构，清晰指示区域成矿具多期次、脉动式叠加特征，该结构或为金元素超常富集的关键控制因素。
进一步研究证实，研究区存在晚三叠世（印支期）与早白垩世（燕山期）两期构造...
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