They are genetically related to Yanshanian intermediate_acid granites distributed extensively in East Qinling area and occur along the endo_ and exo_contact zones of the porphyry.
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释义
其形成与燕山期中酸性浅成_超浅成小花岗斑岩体有关,钼矿床直接产于岩体内外接触带及其附近;
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