早子沟金矿矿体及地球化学特征 |
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引用本文: | 赵积珍,陈国忠,梁志录,赵志成. 早子沟金矿矿体及地球化学特征[J]. 甘肃地质, 2013, 22(2): 38-43 |
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作者姓名: | 赵积珍 陈国忠 梁志录 赵志成 |
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作者单位: | 甘肃省地矿局第三地勘院,甘肃 兰州 730050,甘肃省地矿局第三地勘院,甘肃 兰州 730050,甘肃省地矿局第三地勘院,甘肃 兰州 730050,甘肃省地矿局第三地勘院,甘肃 兰州 730050 |
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摘 要: | 早子沟金矿位于秦岭造山带西段夏河—合作断裂带上,地质构造复杂,成矿条件优越。矿体赋存于三叠纪浅变质细碎屑岩和印支晚期的中性岩脉中,矿床成因类型为岩浆期后中—低温热液(交代)构造蚀变岩型金矿床。矿体分布受断裂构造控制明显,为多期热液叠加成矿,断裂产状变化部位、不同断裂交汇处、断裂构造局部引张地段,往往是金的矿化富集部位。本文对矿区矿体及地球化学特征进行了总结,探讨该矿床地质—地球化学勘查模式,可作为在该区域寻找类似矿床的参考。
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关 键 词: | 早子沟金矿;矿体及地球化学特征;勘查模式 |
Ore-Body Geochemical Features of Zaozigou Gold Deposit |
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Abstract: | Zaozigou gold mine is located in Xiahe-Hezuo fault of Qinling orogenic belt with complex geological structures and mineralization favorable conditions. It is a post-magmatic structural altered rock type gold deposit related to low and moderate temperature hydrothermal activities. Ore bodies exist in Triassic low-grade metamorphic clastic rocks and late Indosinian intermediate dykes, controlled by faults. The paper summarized orebodies and their geochemical features, and put forward the geological-geochemical exploration model which may be a guide for prospecting the similar deposit in the research region. |
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Keywords: | Zaozigou gold deposit orebody geochemical characteristics |
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