来自CONȚU锂伟晶岩、煤渣(CIBIN)山脉、中央群、南喀尔巴阡山、罗马尼亚的锂辉石和绿柱石

IF 0.9 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
N. Călin, C. Constantina, Elena Ramona Bălășcuță
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引用次数: 1

摘要

锂辉石,现在在日常生活中,代表了一种被称为锂的化学元素的重要来源。从现在和未来减少二氧化碳排放的原则出发,我们可以找到一种替代资源,如绿色资源——锂辉石。第一步是通过找矿来确定油田,然后是勘探,最后是开采。在罗马尼亚,我们可能在Conțu发现了唯一一个含有锂伟晶岩的油田。交配体被称为Conțu上级和ConȚu下级。锂辉石以晶体和块状聚集体的形式出现,具有长居性——棱柱状,有时呈片状,尺寸为25 cm–70 cm。由于蚀变过程,其颜色从白色到带玻璃光泽的绿色,再到灰色到绿色不等,导致其呈现绿色-黄色。锂辉石在平面上具有良好的解理(010)。锂辉石具有单斜对称性和C2/c空间群(15),晶胞参数:a=9.466Å,b=8.394Å,c=5.221Å。分析方法(EPMA)表明氧化锂含量在7.43%和7.50%之间,计算出这些百分比。绿柱石(祖母绿品种)宏观上有油腻的光泽,颜色从浅绿色到深绿色,呈石英和钠长石的块状。Beryl在六方晶系中结晶,空间群P6/mcc(192),晶胞参数为a=9.267Å,b=9.187Å。红外透射光谱表明存在绿柱石。BeO4的振动频率约为900 cm-1和1000 cm-1,我们在样品N118中发现,价态振动频率为:1094 cm-1、1039 cm-1和957 cm-1。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
SPODUMENE AND BERYL FROM CONȚU LITHIUM - PEGMATITES, CINDREL (CIBIN) MOUNTAINS, CENTRAL GROUP, SOUTH CARPATHIANS, ROMANIA
Spodumene, now in the everyday life, represent a critical source of the chemical element known as lithium. For principle reducing emissions of CO2, now and in the future, we can find an alternative resource like green resources – spodumene. The first step is to identify the field with minerals - prospecting, then the second is exploration, and culminates with exploitation. In Romania, we find probably the only fields with lithium pegmatites in Conțu. Pegmatitic bodies are known as Conțu Superior and Conțu Inferior. Spodumene appears in the form of crystals and massive aggregates, with long habitus – prismatic, sometimes tabular, and with dimensions of 25 cm – 70 cm. Its color varies from white–greenish with vitreous luster, to gray – greenish, color due to the alteration processes, which led to the appearance in green – yellow colors on the spodumene has a good cleavage on the plane (010). Spodumene has monoclinic symmetry and C2/c space group (15), and cell parameters: a = 9.466 Å, b = 8.394 Å, c = 5.221 Å. The analytical method (EPMA) indicated a lithium oxide content between 7.43 % and 7.50 %, these percentages were calculated. Beryl (the emerald variety) macroscopically, has a greasy luster, colors in light green to dark green tones, in the mass of quartz and albite. Beryl crystallizes in the hexagonal system, space group P6/mcc (192), and the cell parameters are a = 9.267 Å, b = 9.187 Å. Infrared transmittance spectroscopy indicated the presence of beryl. BeO4 vibrates at frequencies around 900 cm-1 and 1000 cm-1, we find in sample N118, valence vibrations at: 1094 cm-1, 1039 cm-1, and 957 cm-1.
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来源期刊
CiteScore
2.30
自引率
25.00%
发文量
42
审稿时长
12-24 weeks
期刊介绍: The publishing of CARPATHIAN JOURNAL of EARTH and ENVIRONMENTAL SCIENCES has started in 2006. The regularity of this magazine is biannual. The magazine will publish scientific works, in international purposes, in different areas of research, such as : geology, geography, environmental sciences, the environmental pollution and protection, environmental chemistry and physic, environmental biodegradation, climatic exchanges, fighting against natural disasters, protected areas, soil degradation, water quality, water supplies, sustainable development.
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