Mineral Phase Paragenesis in Explosive Ejecta Discharged by Recent Eruptions in Kamchatka and the Kuril Islands. Part 1. Diamonds, Carbonaceous Phases, and Condensed Organoids

被引:10
|
作者
Silaev, V., I [1 ]
Karpov, G. A. [2 ]
Anikin, L. P. [2 ]
Vasiliev, E. A. [3 ]
Vergasova, L. P. [2 ]
Smoleva, I., V [1 ]
机构
[1] Russian Acad Sci, Komi Sci Ctr, Inst Geol, Ural Branch, Ul Pervomaiskaya 54, Syktyvkar 167982, Russia
[2] Russian Acad Sci, Inst Volcanol & Seismol, Far East Branch, Bulvar Piipa 9, Petropavlovsk Kamchatski 683006, Russia
[3] St Petersburg Inst Min Sci, 21st Liniya,2, St Petersburg 199106, Russia
关键词
volcanism; Kamchatka; carbonaceous paragenesis; explosive atmospheric electrogenic mineral generation;
D O I
10.1134/S0742046319050051
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
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.
引用
收藏
页码:323 / 334
页数:12
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