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Mineral Phase Paragenesis in Explosive Ejecta Discharged by Recent Eruptions in Kamchatka and the Kuril Islands. Part 1. Diamonds, Carbonaceous Phases, and Condensed Organoids
Journal of Volcanology and Seismology ( IF 0.7 ) Pub Date : 2019-10-23 , DOI: 10.1134/s0742046319050051
V. I. Silaev , G. A. Karpov , L. P. Anikin , E. A. Vasiliev , L. P. Vergasova , I. V. Smoleva

Abstract

Ejecta of recent volcanic eruptions were found to contain a carbonaceous mineral phase paragenesis of explosive atmospheric electrogenic origin. The paragenesis involves diamonds of octahedral habitus with non-aggregated nitrogen defects (without signs of mantle burning), disordered graphite, shungite-like bitumen (kerite–anthraxolite), carbonaceous globules (clustered allotropes of dicarbon composition), metal carbon nano-microcomposites resulting from thermal impact decomposition of metal organic compounds, and abiogenic organic compounds. The carbonaceous paragenesis identified here is considered as a unique natural phenomenon that indicates the existence of a global process that favor endogenous carbonization of the Earth’s crust during crust–mantle interactions.


中文翻译:

堪察加半岛和千岛群岛最近爆发的喷发物引起的弹射性矿物相共生。第1部分。金刚石,碳相和凝聚态有机体

摘要

发现最近火山喷发的喷出物含有爆炸性大气电成因的碳质矿物相共生。共生涉及具有非聚集氮缺陷(无地幔燃烧迹象)的八面体习性的钻石,无序石墨,类菱铁矿的沥青(硅藻土-炭疽石),含碳小球(二碳组成的簇状同素异形体),金属碳纳米微复合物由金属有机化合物和非生物有机化合物的热冲击分解引起。此处确定的碳质共生被认为是一种独特的自然现象,表明存在着一个有利于地壳相互作用的地球过程内生碳化的全球过程。
更新日期:2019-10-23
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