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首页> 外文期刊>Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy >Micas from mariupolite of the Oktiabrski massif (SE Ukraine): An insight Cross Mark into the host rock evolution - Geochemical data supported by Raman microspectroscopy
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Micas from mariupolite of the Oktiabrski massif (SE Ukraine): An insight Cross Mark into the host rock evolution - Geochemical data supported by Raman microspectroscopy

机译：Oktiabrski地块（乌克兰东南部）的丸状云母的云母：洞悉宿主岩演化的十字标记-拉曼光谱学支持的地球化学数据

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摘要

Muscovite and two dark mica varieties (the coarse-crystalline, pegmatitic, and fine-crystalline with signs of early weathering) representing members of the biotite series, originating from mariupolite of the Oktiabrski massif, (Ukraine), were investigated along with their solid inclusions using electron microprobe and Raman micro-spectroscopy to discuss their genesis and relationship to the parental magma. The coarse-crystalline, pegmatitic biotite, (K1.90Rb0.02Na0.01)(Fe3.562+Mg1.34Ti0.36Fe0.343+Mn0.03)[(Si5.73Al2.10-Fe-0.17(3+))O-20](OH3.24F0.76) Fan) represents the primary, magmatic annite that crystallized from an alkaline, Fe-rich and Mg-depleted host magma, whereas the fine-crystalline biotite, partly altered to vermiculite, (K1.75Rb0.03Na0.03)(Fer(3.23)(3+)Fe(1.16)(2+)Mg(0.26)Mn(0.04)Ti(0.10))[(Si-5.16 Al-2.84)O-20](OH)(4.00), devoid of F, represents a re-equilibrated or secondary, post-magmatic Fe3+-bearing mica crystallized from alkaline to the subalkaline host magma. Muscovite, (K1.96Na0.06)(Al3.97Fe0.062+)(Si5.99Al2.01)O-20](OH)(4), with low Na/(Na + K) ratio, low Fe and devoid of Ti and also F, forms only tiny, subhedral flakes formed in the post-magmatic, hydrothermal stage. The primary, unaltered biotite contains numerous solid inclusions of primary origin (albite, aegirine, zircon, K-feldspar, nepheline, pyrochlore, magnetite) and secondary origin (natrolite, hematite, Ti-Mn oxides/hydroxides); most of them are accompanied by a carbonaceous substance, all confirmed by scanning electron microscopy and Raman microspectroscopy. (C) 2014 Elsevier BM. All rights reserved.
机译：研究了代表黑云母系列成员的白云母和两个深色云母变种（粗晶，千古质和细晶，具有早期风化的迹象），它们来自Oktiabrski断层（乌克兰）的丸红柱石及其固体包裹体使用电子探针和拉曼光谱仪讨论它们的成因及其与父母岩浆的关系。粗晶，黑云母黑云母（K1.90Rb0.02Na0.01）（Fe3.562 + Mg1.34Ti0.36Fe0.343 + Mn0.03）[（Si5.73Al2.10-Fe-0.17（3+）） O-20]（OH3.24F0.76 Fan）代表主要的岩浆年青石，它是从碱性，富含铁和贫Mg的主体岩浆中结晶出来的，而细晶黑云母则部分变成了ul石（K1。 75Rb0.03Na0.03）（Fer（3.23）（3+）Fe（1.16）（2+）Mg（0.26）Mn（0.04）Ti（0.10））[（Si-5.16 Al-2.84）O-20]（不含F的OH）（4.00）表示重新平衡或次级，后岩浆中含Fe3 +的云母，从碱性结晶为碱性碱性岩浆。白云母，（K1.96Na0.06）（Al3.97Fe0.062 +）（Si5.99Al2.01）O-20]（OH）（4），Na /（Na + K）比低，Fe低，无Ti和F的形成仅形成在后岩浆热液阶段形成的微小的亚面下薄片。原始的未变黑云母含有大量的固体包裹体，这些固体包裹体的主要来源是（矿石、,石，锆石，钾长石，霞石，烧绿石，磁铁矿）和次要来源（钠沸石，赤铁矿，Ti-Mn氧化物/氢氧化物）;它们中的大多数都伴随有碳质物质，所有这些都通过扫描电子显微镜和拉曼光谱法得到证实。 （C）2014 Elsevier BM。版权所有。

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