1) basic igneous complex
基性岩浆杂岩
1.
Geochemical characteristics and zircon U-Pb ages of island-arc basic igneous complexes in the Tianshui area,West Qinling;
西秦岭天水地区岛弧型基性岩浆杂岩的地球化学特征及形成时代
2) intermediate-basic igneous complex
中基性岩浆杂岩体
1.
Zircons U-Pb ages of the Guanzizhen intermediate-basic igneous complex in Tianshui area, West Qinling, and their geological significance.;
西秦岭天水地区关子镇中基性岩浆杂岩体锆石U-Pb年龄及其地质意义
4) magmatic complex
岩浆杂岩
1.
It is substaintiated that the beding glide fold are dominance in the superficial and the magmatic complex are .
对岩浆杂岩成功地进行了解体,认为侵入岩具多种成因类型并具多旋回演化特点,指出地台边缘的层序地层有别于陆棚边缘经典模式。
5) basic complex
基性杂岩
1.
Jiumiao basic complex exposed in western Liaoning is composed of three stages of intrusive rocks,i.
辽西元古宙旧庙基性杂岩的演化及地球动力学意义孙景贵(长春地质学院,长春130061)收稿日期:1996-8-16修改稿:1996-12-17作者简介:孙景贵男1961年生博士生矿床学关键词基性杂岩岩浆演化元古代辽西前寒武纪地质研究已在。
2.
The Jiumiao basic complex in Western Liaoning Province is mainly composed of websterite, gabbro-norite and bojite, which belong to tholeiite series derived from comagma by fractional crystallization.
辽西旧庙基性杂岩主要由二辉辉石岩、辉长苏长岩和角闪辉长岩组成。
6) Mid basic igneous rock
中基性岩浆
补充资料:超基性岩
超基性岩 ultrabasic rock 火成岩的一类。二氧化硅含量低(小于45%),铁、镁质含量高,以不含石英为特征。深灰黑色,比重较大。主要由橄榄石、辉石,以及它们的蚀变产物,如蛇纹石、滑石、 绿泥石等组成。代表性岩石有纯橄榄岩、橄榄岩、辉石岩和金伯利岩、苦橄岩等。自然界以镁质超基性岩居多。它们常与碱性岩、基性岩共生,形成杂岩体。超基性岩常沿深大断裂带分布,受其控制,形成岩带。岩体的规模大小不一,常呈透镜状、脉状或不规则状。与超基性岩有关的矿产有铬、镍、钴、铂族金属、金刚石、石棉等。 |
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