Finding and Significance of Ilvaite in the Cihai Iron Deposit, Xinjiang Autonomic oft-com:office:smarttags" />Region , China
详细信息
- 责任者：Tang Pingzhi (Beijing Institute of Geology for Mineral Resources ; Beijing 100012 ; China) ; Wang Yuwang
- 刊名：Acta Mineralogica Sinica
- 出版年：2011
- 卷期：31(1)
- 关键词：黑柱石 ; ilvaite ; 新疆 ; Xinjiang
- 页码：p.9-16
- 图表：5 illus., 1 table, 22 refs.
- 分类号：0700
- issnNo：ISSN1000-4734
- isbnNo：CN52-1045/P
摘要
Ilvaite, an uncommon type of skarn typomorphic mineral, was first found in Cihai iron deposit. In this paper geological occurrence, mineral association, chemical composition and optical property of ilvaite in Cihai area were discussed. The authors considered that the ilvaite was related with mafic subvolcanic rocks and with the hydrothermal metallogeny as a kind of typical retrograde, postskarn mineral. At the end of mineralization, the early skarn minerals can be metasomated and substituted by ilvaite. Ilvaite of the Cihai deposit was formed in later mineralization stage and had a dilution effect to the early magnetite. It is suggested that ilvaite is a kind of important mineral in mineralogy.