1、

Nanliang complex is mainly composed of porphyritic granite, granophyre, rhyolite-porphyry and rhyolitic agmatite-lava.

南梁岩体主要由斑状花岗岩、流纹斑岩、花斑岩及流纹质角砾熔岩组成。

互联网摘选

2、

Based on K-Ar isotope chronological research, Cenozoic volcanism in the source region of the Yangtze River is divided into three phases. In the first phase ( 40.1-35.1 Ma) volcanism was weak, forming fine-grained latite and porphyritic trachyte of limited distribution.

通过K-Ar同位素年代学研究,将长江源区新生代的火山活动划分为3期:第Ⅰ期(40.1~35.1Ma)火山喷发较弱,形成小范围分布的细粒安粗岩和斑状粗面岩;

互联网摘选

4、

Yanshanian acid is a mountain of granite, mostly coarse-grained granite and porphyritic granite.

山地属燕山期酸性花岗岩, 多为粗粒花岗岩和斑状花岗岩.

互联网摘选

5、

The fine-grained crystalline base of porphyritic rock in which larger crystals are embedded.

纹理细密的水晶质矿物的基岩,其中嵌有大粒水晶.

互联网摘选

6、

Tongling quartz-vein type deposit lies in south-east Rushan , Shandong Province, within the Sanfushan porphyritic adamellite body.

铜岭金矿位于山东省乳山市东南部, 产在三佛山斑状二长花岗岩中, 为含金石英脉型金矿.

互联网摘选

7、

The skarn wolfram deposits are formed in granite contact zone and crack of stratum. The porphyry and quartz vein molybdenum deposits are formed in porphyritic granite bodies and fissure vein.

小柳沟矿区有着三(多)位一体的成矿系列,岩体外接触带和地层层间裂隙形成以夕卡岩型为主的白钨矿,岩体内部及岩体顶部形成斑岩型和石英脉型钼矿。

互联网摘选

  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈