Moissanite in Rocks of the Bobruisk Basement Inlier, Belarusian Crystalline Massif, East European Craton

IF 1 4区 地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS
V. I. Levitskiy, I. V. Levitskiy, L. A. Pavlova, M. V. Lukashova
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Abstract

A large range of minerals, native, intermetallic, and amorphous compounds containing K, Na, Fe, Mn, Ca, Ba, Sr, Cu, Pb, Co, Ni, Sn, Zn, Al, Ce, Nd, La, Pr, Sm, Y, Yb, Nb, Hf, W, Mo, Zr, Cr, V, Ag, Ti, Si, As, P, Bi, O, H, F, Cl, S, Se, C, B, N, and F has been identified in rocks from the Bobruisk basement inlier of the Belarusian crystalline massif in the western part of the East European craton. One of the identified phases was moissanite, which occurs as anhedral and subhedral grains up to 1.5 mm and is the 6H hexagonal polytype. One of the moissanite grains contained mineral inclusions inherent in meteorites: sinoite (Si2N2O), xifengite (Si5Fe3), and awaruite (Ni3Fe). The moissanite and native, intermetallic, and amorphous phases associated with it occur as rare disseminated grains of various size in rocks of three rock complexes in the basement of the Bobruisk inlier. This indicates that the mineralization is overprinted. The whole set of crystalline and amorphous phases found in association with moissanite is proposed to be named bobruiskites. The minerals were most probably formed by an meteorite impact on rocks of the East European craton.

Abstract Image

东欧克拉通白俄罗斯结晶地块Bobruisk基底岩石中的莫桑石
一个大范围的矿物质,原生金属间化合物,和非晶态化合物含有钾、钠、铁、锰、钙、Ba、Sr、铜、铅、有限公司镍、锡、锌、铝、Ce、Nd,洛杉矶,公关,Sm, Y, Yb, Nb,高频,W,密苏里州,锆、Cr、V, Ag)、钛、硅、,P, Bi, O, H, F, Cl,年代,Se、C、B、N, F已被确定在岩石的地下室Bobruisk窗白俄罗斯水晶在东欧的西部克拉通地块。其中一种相为莫桑石,晶粒大小为半面体和半面体,尺寸为1.5 mm,为6H六方多型。其中一种莫桑石颗粒含有陨石中固有的矿物包裹体:硅辉石(Si2N2O)、锡云石(Si5Fe3)和硅辉石(Ni3Fe)。莫桑石和与之相关的原生、金属间和非晶相以不同大小的罕见浸染颗粒的形式出现在Bobruisk盆地基底的三个岩石复岩中。这表明成矿作用是套印的。与莫桑石有关的整套结晶相和非晶相被提议命名为波布里斯基。这些矿物很可能是由陨石撞击东欧克拉通的岩石形成的。
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来源期刊
Petrology
Petrology 地学-地球科学综合
CiteScore
2.40
自引率
20.00%
发文量
27
审稿时长
>12 weeks
期刊介绍: Petrology is a journal of magmatic, metamorphic, and experimental petrology, mineralogy, and geochemistry. The journal offers comprehensive information on all multidisciplinary aspects of theoretical, experimental, and applied petrology. By giving special consideration to studies on the petrography of different regions of the former Soviet Union, Petrology provides readers with a unique opportunity to refine their understanding of the geology of the vast territory of the Eurasian continent. The journal welcomes manuscripts from all countries in the English or Russian language.
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