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1大地构造位置工作区为西南三江成矿带南段,属特提斯构造带的一部份,位于兰坪—思茅陆块与扬子陆块结合带。工作区为楚雄盆地和兰坪—思茅盆地。兰坪-思茅盆地和楚雄盆地受金沙江-哀牢山构造带的形成演化所控制。金沙江-哀牢山构造带南西侧的兰坪-思茅盆地总体呈北北西向展部,其内部主要构造形迹的构造线方向与金
1 Geotectonic location The working area is the southern section of the southwestern Sanjiang metallogenic belt. It belongs to the Tethys tectonic belt and is located in the conjunction zone of Lanping-Simao and Yangtze blocks. Work area for the Chuxiong Basin and Lanping - Simao Basin. The Lanping-Simao and Chuxiong basins are controlled by the formation and evolution of the Jinshajiang-Ailaoshan structural belt. The Lyingping-Simao Basin on the southwest side of the Jinsha-Ailan Mountains tectonic belt is generally north-northwesterly extensional, and its main tectonic line direction and gold