| 通化二密地区中生代火山成矿作用及找矿方向 |
| |
| 引用本文： | 欧祥喜.通化二密地区中生代火山成矿作用及找矿方向[J].吉林地质,2001,20(1):19-26,34. |
| |
| 作者姓名： | 欧祥喜 |
| |
| 作者单位： | 吉林省区域地质矿产调查所,吉林,长春,130022 |
| |
| 摘 要： | 通过对二密地区中生代火山活动规律，岩浆演化序列、火山喷发期次与成矿作用的研究，对控制火山活动的基底断裂构造的调查，以及松顶山石英闪长岩（次火山岩）岩石单位的划分，认为：该地区成矿与中生代侏罗纪火山活动密切相关；成矿时间长、期次多、矿体类型复杂；区内尚存在很好的找矿远景，按照新的找矿方向，在火山活动中心成矿条件有利于段采用有效的找矿手段，有望找到新的矿产基地或隐伏的工业矿体。
|
| 关 键 词： | 火山活动 隐爆角砾岩 次火山岩 中生代 成矿作用 找矿方向 |
| 文章编号： | 1001-2427(2001)01-0019-08 |
The Mesozoic volcanic mineralization in the Ermi area, Tonghua and its prospecting for ore deposits |
| |
| OU Xiang?xi.The Mesozoic volcanic mineralization in the Ermi area, Tonghua and its prospecting for ore deposits[J].Jilin Geology,2001,20(1):19-26,34. |
| |
| Authors: | OU Xiang?xi |
| |
| Abstract: | Through the geological investigation in the Ermi area, Tonghua, Jilin province, the law of Mesozoic volcanic activity, magmatic evolutionary series, volcanic eruptive periods, mineralizing process, research on basement faulted structure controlled by volcanic activities and the petrography classification of the Songdingshan quartz diorite (subvolcanic rock), it is considered that regional mineralization has a close relation to the Mesozoic Jurassic volcanic activities; characterized by long term, multiple mineralization, complicated ore body types and great potential of prospecting for ore deposits. On the basis of new ore guide of prospecting, we should introduce effective methods of prospecting in the favorable metallogenic province. Some new mineral occurrences or concealed industrial ore bodies are probably found. |
| |
| Keywords: | volcanic activity crytoexplosive breccia subvolcanic rock basement fault |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
