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Geological characteristics and genesis of Zvishavane chromite deposit, Zimbabwe
Author(s): 
Pages: 800-805
Year: Issue:  6
Journal: Geotechnical Engineering World

Keyword:  Zimbabwe great dykeharzburgitepyroxenitechromitemagmatic crystallization and differentiation;
Abstract: 津巴布韦夏瓦尼(Zvishavane)铬铁矿床位于津巴布韦大岩墙南端,拥有丰富的铬铁矿资源.文章通过对夏瓦尼铬铁矿床区域地质背景、矿区矿床地质特征及找矿标志的分析,总结了矿床成因,认为矿体一般位于每个岩浆活动旋回顶部的辉石岩中或者辉石岩与方辉橄榄岩接触部位,且平行于岩层产状分布.方辉橄榄岩、辉石岩及铬铁矿在垂向上构成多个岩相韵律,与岩浆多期次脉动式的侵入及岩浆结晶分异作用的不断进行密切相关,属典型的晚期岩浆结晶分异矿床.
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