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青海省叉叉龙洼北地区多金属矿床地质特征及找矿标志
- 作者：
- 石海岩|严栋|唐彬元|赵萍|王真|罗永统
- 作者单位：
- is null
基金项目：
- 青海省地质勘查基金项目（2017042131kc081）
详细信息：
- 作者简介：
- 石海岩（1987—），女，青海化隆人，工程师，硕士，从事沉积地球化学及矿产勘查研究工作；西宁市城西区胜利路22号地矿花园C座，青海省地质调查局，810001；E-mail:shy0407@sina.cn
- 通讯作者：
- isnull
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Geological characteristics and prospecting indicator of Chachalongwabei Polymetallic Deposit,Qinghai Province
- English Author：
- Qinghai Geological Survey|Qinghai Provincial Nonferrous No.4 Institute of Geological Survey|Geology Mineral Surveying Institute of Qinghai|Qinghai Provincial Nonferrous No.4 Institute of Geological Survey|Qinghai Provincial Nonferrous No.4 Institute of Geological Survey|Qinghai Geological Survey
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
叉叉龙洼北地区多金属矿床位于鄂拉山华力西期—印支期多金属成矿带，带内已发现多处矿床（点），成矿地质条件优越。矿区内已圈出矿化蚀变带6条，矿体14条，矿体一般呈脉状，赋存于鄂拉山组地层中，北北西向、北西向断裂为主要的控矿构造，断裂形成的破碎蚀变带为矿体的形成提供了有利空间。鄂拉山组地层，北北西向、北西向断裂及破碎蚀变带，硅化、黄铁矿化、褐铁矿化、绢云母化为主要的地质找矿标志；土壤综合异常为重要的地球化学找矿标志；具有低阻高极化的激电异常为重要的地球物理找矿标志。
关键词:
矿床地质特征；找矿标志；多金属矿床；地球化学特征；地球物理特征；叉叉龙洼北地区
Abstract:
The Chachalongwabei Polymetallic Deposit is located in Elashan Variscan-Indosinian polymetallic metallogenic belt where many deposits(spots)have been found and the metallogenic conditions are favorable.In the district,6 mineralization zones and 14 ore bodies are delineated.The ore bodies are mainly vein type occurring in Elashan formation strata.NNW and NW faults are the main orecontrolling structures.The fractured alteration zone formed due to fault provides favorable space for the formation of ore bodies.Elashan formation strata,NNW and NW fault and fractured alteration zone,as well as silicification,pyritization,ferritization and sericitization are main geological prospecting indicators.Comprehensive soil anomaly is important geochemical prospecting indicator; the low resistance and highly polarization IP anomaly is important geophysical prospecting indicator.
Keywords:
geological characteristics of ore deposit;prospecting indicator;polymetallic deposit;geochemical characteristics;geophysical characteristics;Chachalongwabei area
