俄羅斯穆倫地區(qū)查羅石玉結構及構造特征研究
發(fā)布時間:2018-10-31 11:20
【摘要】:本文對俄羅斯穆倫地區(qū)查羅石玉進行了系統(tǒng)的結構及構造特征的研究,查羅石玉的主要礦物查羅石(紫硅堿鈣石)是一種富鈣、鉀、鈉的硅酸鹽礦物,根據(jù)鏡下觀察發(fā)現(xiàn):查羅石玉顯微結構特征可以分成5種類型:纖維變晶結構、放射狀或帚狀結構、柱狀變晶結構、包含變晶結構、交代殘余結構等。各種類型的查羅石玉的礦物組分以及表現(xiàn)形式具有很大的差異。常見的構造類型為:塊狀構造、片狀構造、弧性構造等。掃描電鏡下觀察分析得出:查羅石主要由細長矩形的片狀查羅石組成,查羅石晶體呈定向排列,晶體大小平均長約150~200μm,寬約10~20μm,發(fā)育良好的多組波狀彎曲的片狀查羅石晶體及其纖維變晶結構是查羅石玉具有絲絹光澤的原因。結合前人資料,以及本文對查羅石玉的測試研究,初步判斷查羅石成因為熱液交代型。
[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.
【作者單位】: 中國地質博物館;北京霏卡珠寶有限公司;
【基金】:國土資源部部門預算項目(編號:121113000000160034)資助~~
【分類號】:P619.28
本文編號: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.
【作者單位】: 中國地質博物館;北京霏卡珠寶有限公司;
【基金】:國土資源部部門預算項目(編號:121113000000160034)資助~~
【分類號】:P619.28
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,本文編號:2301990
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