Geological Characteristics of the Lijiapuzi Niobium-Tantalum Deposit in Xinbin County, Liaoning Province
详细信息
- 责任者：Diao Chuncai (Institute of Geotechnical Research ; Liaoning Bureau of Nonferrous Metallic Geology ; Shenyang 110013 ; China) ; Feng Jinlong
- 刊名：Geology and Resources
- 出版年：2013
- 卷期：22(1)
- 关键词：铌矿 ; niobium ores ; 钽矿 ; tantalum ores ; 辽宁 ; Liaoning Province
- 页码：p.20-24
- 图表：illus., 5 tables, 4 refs.
- 分类号：1001
- issnNo：ISSN1671-1947
- isbnNo：CN21-1458/P
摘要
The Lijiapuzi niobium-tantalum deposit in Xinbin County,Liaoning Province is tectonically located in the eastern section of the northern margin of North China Platform.During Luliang period,the ore-bearing granitic pegmatite,which was controlled by NE-and the NW-trending faults,intruded into the Archean metamorphic rock series.The granitic pegmatite,belonging to muscovite type,oversaturated with aluminium,is characterized by high sodium and low potassium,calcium,iron and magnesium contents.Tantalum is the most enriched rare element in the rock,with Ta content of 0.0005% to 0.44%.With the highest tantalum ore grade among the known domestic deposits of the same type and the ore reserves of medium magnitude at 332+333 level proved by newly exploration,the deposit has the potential to reach the level of large deposit.
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