俄罗斯穆伦地区查罗石玉结构及构造特征研究
发布时间：2018-10-31 11:20
【摘要】：本文对俄罗斯穆伦地区查罗石玉进行了系统的结构及构造特征的研究,查罗石玉的主要矿物查罗石(紫硅碱钙石)是一种富钙、钾、钠的硅酸盐矿物,根据镜下观察发现:查罗石玉显微结构特征可以分成5种类型:纤维变晶结构、放射状或帚状结构、柱状变晶结构、包含变晶结构、交代残余结构等。各种类型的查罗石玉的矿物组分以及表现形式具有很大的差异。常见的构造类型为:块状构造、片状构造、弧性构造等。扫描电镜下观察分析得出:查罗石主要由细长矩形的片状查罗石组成,查罗石晶体呈定向排列,晶体大小平均长约150~200μm,宽约10~20μm,发育良好的多组波状弯曲的片状查罗石晶体及其纤维变晶结构是查罗石玉具有丝绢光泽的原因。结合前人资料,以及本文对查罗石玉的测试研究,初步判断查罗石成因为热液交代型。
[Abstract]:In this paper, the structural and structural characteristics of Challorite in Murun region, Russia, are studied. The main mineral of Challorite is a silicate mineral rich in calcium, potassium and sodium. According to the microscopic observation it can be found that the microstructure of Challorite can be divided into five types: fibrous metamorphic structure radial or broom-like structure columnar metamorphic structure including metasomorphic structure and so on. There are great differences in mineral composition and forms of various types of Challorite. The common tectonic types are block structure, flake structure, arc structure and so on. The results of scanning electron microscope showed that Chaloite was mainly composed of thin and rectangular flakes, and the crystal size was about 150 ~ 200 渭 m, and the width was 10 ~ 20 渭 m, and the crystal was arranged in a directional way, the crystal size was about 150 ~ 200 渭 m and the width was about 10 ~ 20 渭 m. The well-developed multi-group wavy flake Charotite crystal and its fibrous metamorphic structure are the reasons for the silk luster of Chao Shi Jade. Based on the previous data and the test of Challorushi in this paper, the hydrothermal metasomatism of Zha Luocheng is preliminarily judged.
【作者单位】： 中国地质博物馆;北京霏卡珠宝有限公司;
【基金】：国土资源部部门预算项目(编号:121113000000160034)资助~~
【分类号】：P619.28
本文编号：2301990
[Abstract]:In this paper, the structural and structural characteristics of Challorite in Murun region, Russia, are studied. The main mineral of Challorite is a silicate mineral rich in calcium, potassium and sodium. According to the microscopic observation it can be found that the microstructure of Challorite can be divided into five types: fibrous metamorphic structure radial or broom-like structure columnar metamorphic structure including metasomorphic structure and so on. There are great differences in mineral composition and forms of various types of Challorite. The common tectonic types are block structure, flake structure, arc structure and so on. The results of scanning electron microscope showed that Chaloite was mainly composed of thin and rectangular flakes, and the crystal size was about 150 ~ 200 渭 m, and the width was 10 ~ 20 渭 m, and the crystal was arranged in a directional way, the crystal size was about 150 ~ 200 渭 m and the width was about 10 ~ 20 渭 m. The well-developed multi-group wavy flake Charotite crystal and its fibrous metamorphic structure are the reasons for the silk luster of Chao Shi Jade. Based on the previous data and the test of Challorushi in this paper, the hydrothermal metasomatism of Zha Luocheng is preliminarily judged.
【作者单位】： 中国地质博物馆;北京霏卡珠宝有限公司;
【基金】：国土资源部部门预算项目(编号:121113000000160034)资助~~
【分类号】：P619.28
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