| 铬铁矿床成因论 |
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| 引用本文： | 周永璋.铬铁矿床成因论[J].地质找矿论丛,1996,11(1):44-49. |
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| 作者姓名： | 周永璋 |
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| 作者单位： | 冶金工业部天津地质研究院 |
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| 摘 要： | 铬铁矿床成因可分为两大类：岩浆铬铁矿床和地幔变质橄榄岩残、滞留铬铁矿床。后者直接受上地幔岩熔融程度所制约。而岩浆铬铁矿床的形成除决定于上地幔岩熔融岩浆总成分外，还受岩浆分异结晶作用，岩浆就位的地质条件和规模所决定的结晶速度和状态直接影响。
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| 关 键 词： | 铬铁矿床 成因 岩浆 分异结晶 |
| 收稿时间： | 1995/10/7 0:00:00 |
| 修稿时间： | 1995/12/25 0:00:00 |
GENESIS OF Cr ORE DEPOSLIS |
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| Zhou Yongzhang.GENESIS OF Cr ORE DEPOSLIS[J].Contributions to Geology and Mineral Resources Research,1996,11(1):44-49. |
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| Authors: | Zhou Yongzhang |
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| Institution: | Tianjin Gedogical Academy MMI |
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| Abstract: | Cr ore deposits are genetical divided into 2 types ie. magmatic type and relic and stagnated type of metamorphosed mantle peridotite. The later is controled by melting degree of the upper mantle rock. The former is not only controled by general composition of melting magma from the upper mantle rock but also by crystalization velocity which is govened by differentiation crystalization of the magma and it''s emplacemcut. |
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