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玄岩

网络shoshonite

玄岩

玄岩

shoshonite

0　引　言钾玄岩 (shoshonite)一般是指w(K2 O) +w(Na2 O)大于 5%的玄武岩 ,当岩石中SiO2 的含量(指质量百分比 ,全文同 )为 50 …

1

The native minerals originating from Tertiary basanite of Yaoshan formation , the placer is in water systems around Fangshan.

原生矿产于第三纪的尧山组玄武质碧玄岩中，砂矿则分布于方山周围的水系中。

2

In the Ranger area highly chloritic rocks were believed to be altered dolerites .

兰杰地区的强烈绿泥石化岩石据信可能是蚀变粒玄岩。

3

Young basic intrusives , which took place late Mesozoic times, formed numerous minor dolerite dykes.

这些早期的侵入性活动，发生在中生代早期，并形成了一些粗玄岩的沟壑。

4

The micro-gabbro phase is identical with the typical Bulawayan dolerite sills.

微辉长岩相与标准的布拉瓦约粒玄岩床相同。

5

At Scinto 6 uranium occurs in much altered dolerite below the unconformity .

“辛托 6 ”的铀矿体产于不整合面之下变质甚深的粒玄岩中。

6

8

The Significance of Discovery of Early Cretaceous Shoshonite in Central Inner Mongolia

内蒙古中部早白垩世钾玄岩的发现及其意义

9

A Study on the mantle xenoliths in the Cenozoic volcanic rocks from Maguan Area, Yunnan Province

云南马关地区新生代碧玄岩中地幔包体研究

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