华南地质与矿产2012,Vol.28Issue(4):383-391,9.
广西藤县大黎钼矿床地质特征及找矿方向
Mineralization Feature and Prospecting Direction of Dali Molybdenum Deposit, Tenxian, Guangxi Province
摘要
Abstract
Dali molybdenum metallogenic belt of southwestern deposit of Tenxian, Guangxi province is located in Dayaoshan gold polymetallic Qingzhou-Hangcheng joint zone. The ore-bodies are occurred in inner contact zone between Cambrian Huangkoudong Formation and south part of Dali granite, and mainly found in beresitiza- tion zone which is around the Dali granite. The wall rock alteration is widely developed around the intrusion, and mainly are pyritization and sericitization. Ore are mainly stockwork structure, and some fine-vein structure, the disseminated structure is rare. Mineralization characteristics indicated that Dali deposit is belongs to por- phyry-type deposit. The important prospecting signage are: outcrops appeared molybdenite and molybdine, quartz stockwork around porphyry, beresitization alteration, geochemical anomaly of molybdenum. Outcrop of granitic porphyry of Dayaoshan area and Mo-Cu geochemical anomalies fit better region are the potential prospecting area. Contact zone of southwestern Dali granite, east part of the Dali granite are favorable for finding ore deposit, and should be the most potential prospecting targets.关键词
地质特征/岩浆岩/找矿标志/找矿方向/大黎钼矿/广西藤县Key words
geological feature/magmatic rocks/prospecting criteria/prospection direction/Dali Mo deposit/Tengxian, Guangxi province分类
天文与地球科学引用本文复制引用
韦子任,黄耀平,叶有乐..广西藤县大黎钼矿床地质特征及找矿方向[J].华南地质与矿产,2012,28(4):383-391,9.基金项目
中国地质调查局地质矿产调查评价专项项目(1212011120830)资助. ()