The Dasongpo tin field is the typical representative of greisen tin deposit in west Yunnan,The orebodies are occurred as the vein group in NNW subordinate structural fractures.
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- 大松坡锡矿是滇西云英岩型锡矿的典型代表。矿体产于燕山晚期花岗岩体内的次级NNW向构造裂隙带中,呈脉状成群产出。