角闪石
- 与 角闪石 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Mineral chemistry and P-T estimation results of the amphiboles of different occurrences indicate that the eclogite xenoliths were subjected to a clockwise P-T evolutional path, implying that an orogenic event happened in the eastern part of the North China Craton in the early Mesozoic.
不同产状角闪石矿物化学成分的差异和温压估算结果显示,榴辉岩类捕虏体经历了一个顺时针的P-T演化轨迹,进而反映了中生代早期华北克拉通东部造山作用的存在。
-
On the basis of a study and elaboration of data, some important conclusions are presented:(1) ruby deposits in marbles occur in the plutonic metamorphic zones of orogens where deep fault structure is developed;(2) ruby-bearing rocks are calcic crystalline marbles, rather than magnesian marbles;(3) amphiboles in ruby-bearing rocks are not tremolites, but silica-poor, alumina-rich and chrome-bearing calcic amphiboles, such as chrome-bearing magnesio-sadanagaites; and (4) the deposits are genetically of thermodynamical metamorphism type, rather than of pneumatolito-hydrothermal type or skarn type.
目前,对于与此类型矿床找矿相关的若干成因问题的认识,还相当模糊,主要表现在以下几方面:①对此类型矿床的产出构造背景认识不清;②认为含矿岩石为镁质大理岩或镁质夕卡岩;③认为含矿岩石中与红宝石共生的角闪石为透闪石;④认为此类矿床的成因类型为&气成一热液型&或&夕卡岩型&。本文在实际研究(王礼胜,1996)和文献资料整理的基础上,分别对这些问题给予了澄
-
But when Harald Furnes, a geologist at the University of Bergen in Norway, and his colleagues walked over the Greenland outcrops , bells went off. They saw sheeted dikes —thinly banded rocks composed almost entirely of a shiny, green-black mineral called amphibole .
然而,挪威卑尔根大学地质学家哈罗德·弗尼斯及同事走上格陵兰露出地面的岩层时,他们大吃一惊:他们看到了薄薄的长条形席状岩墙,几乎全部由叫做&角闪石&的墨绿色闪光矿物构成。
- 推荐网络例句
-
It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
-
The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
-
The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。