ultrabasic rocks

  • 释义

    超碱岩

数据更新时间:2025-11-14 17:39:15
1、

It is the suture zone between Qinling and Yangtze plates. It is a tectonic melange, consisting of tectonic blocks of ultrabasic rocks, gabbros ( accumulative gabbros), diabasic dike swarms, mid& ocean ridge basalts and island arc volcanic rocks.

它是秦岭与扬子之间的缝合带,为一典型的蛇绿构造混杂带,由超基性岩、辉长岩(堆晶辉长岩)、辉绿岩墙群、洋脊玄武岩和岛弧火山岩构成。

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2、

The alkali-ultrabasic complex, occurring as a lopolith and aged 203~ 248Ma, includes three phases of intrusive rocks and one phase of dike rock, characteristic of bedding and rhythm.

赋矿的碱性超基性杂岩体生成于203~248Ma,产状为岩盆,由三期侵入岩和一期脉岩组成,具层状岩系特征和韵律结构。

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3、

Analysis of the fabric feature and ultramicrostructure of ultrabasic rocks from Alxa

阿拉善地区超基性岩组构特征与超微构造分析

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4、

The CSAMT method can divid the electric property beds and reflect the anomalous features of fracture zone and altered mineralization zone based upon the low resistance in basic and ultrabasic intrusions and the specific low resistance in the mineralized rocks and ores.

CSAMT法对基性、超基性岩体的低阻和矿化体及矿体的特低阻能进行电性分层,同时也能反映断裂构造带、蚀变矿化带的异常特征;

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5、

Further imbrication, folding and metasomatism of the ultrabasic rocks occurred at this time.

超基性岩的进一步叠瓦作用, 褶曲和交代作用发生于这个时期.

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6、

Rb-Sr isochron dating of the BASIC-ULTRABASIC rocks from aikou, huaihua and its geologic significance

怀化隘口基性超基性岩Rb-Sr等时线年龄及其地质意义

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