Ore-Search Prospecting Areas of Diamond-Bearing Lamproite in Southeastern Guizhou Province
详细信息
- 责任者：Wang Liang (China University of Geosciences ; Wuhan ; Hubei 430074 ; China) ; Tao Ping
- 刊名：Geology and Prospecting
- 出版年：2012
- 卷期：50(4)
- 关键词：金刚石矿 ; diamond deposit ; 钾镁煌斑岩 ; lamproite ; 贵州 ; Guizhou Province
- 页码：p.775-783
- 图表：4 illus., 21 refs.
- 分类号：1002
- issnNo：ISSN0495-5331
- isbnNo：CN11-2043/P
摘要
normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(244,244,244); TEXT-ALIGN: left; WIDOWS: 2; ORPHANS: 2; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">Lamproite is the mother rock of diamond,and it is the basic substance for forming pipe.This work is based on the features of the regional gravitational and magnetic anomalies in the southeast of Guizhou Province,and the clues of exposed lamproite in Zhenyuan county and adjacent counties(Shibing,Sansui,Leishan,Jianhe and Majiang) and basic-ultrabasic rocks in the Congjiang area in the south.Combining the gravitational and magnetic responses of these exposed rocks with the original mineral of diamond,placer,indicator minerals,and heavy sand abnormity distribution on the surface,we delineate several basic-ultrabasic rock bodies.Integrated with the magmatite belt,volcano institution,plate conjunction belt,and deep fault zones derived from geophysical and geological data,this work determines 6 prospecting areas for searching diamond.It is inferred that in the Taijiang-Jianhe-Jinping-Liping areas,one large-scale gravitational and magnetic positive anomaly area should be regarded as a very important target area for diamond search and a key breakthrough spot for seeking original diamond mineral with industry values.And its anomaly area G3 is very likely the critical place to find original diamond mineral in Guizhou Province as well as the favorable section to remove the mystery veil of diamond deposits with pipes.
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