Abstract

Micas from granitic pegmatites of the Mokrusha and Ministerskaya mines within the Murzinka Pluton in the Central Urals are polylithionite, sokolovaite, trilithionite, Li-bearing muscovite, and annite–phlogopite in solid solution. Chromium and magnesium, which are uncommon elements for light mica that were detected in micas from both mines indicate pegmatite contamination by the material of the host rocks. The low K/Rb and Ta/Nb ratios testify to a very high degree of pegmatite differentiation of both mines.

中文翻译：

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俄罗斯中部乌拉尔Murzinka Pluton花岗岩伟晶岩中云母锂化学成分的新数据

摘要

来自乌拉尔中部Murzinka Pluton内Mokrusha花岗岩花岗岩伟晶岩和Ministryskaya矿山的云母是固溶多聚石，方铁锰铁矿，三锂铁矿，含锂白云母和锡铁矿-金云母。在两个矿山的云母中都发现了铬和镁，这是轻云母中不常见的元素，这表明基质岩材料对伟晶岩造成了污染。低的K / Rb和Ta / Nb比证明这两个矿的伟晶岩分化程度都很高。