Diamond and other accessory minerals in the products of the 2008—2009 phreatic eruption of Koryaksky volcano, Kamchatka
Алмаз и другие акцессорные минералы в продуктах извержения 2008—2009 гг. Корякского вулкана (Камчатка)

L. P. Anikin, V. I. Silaev, V. M. Chubarov, V. A. Petrovsky, L. P. Vergasova, G. A. Karpov, A. V. Sokorenko, A. A. Ovsyannikov, A. P. Maximov
2018 Vestnik of Institute of Geology of Komi Science Center of Ural Branch RAS  
Ââåäåíèå Âóëêàí Êîðÿêñêèé -íàèáîëåå âûñîêîå (àáñ. âûñîòà 3456 ì) âóëêàíè÷åñêîå ñîîðóaeåíèå â ïðåäåëàõ Àâà÷èíñêîé ãðóïïû âóëêàíîâ, ðàñïîëîaeåííîé â íåïîñðåäñòâåííîé áëèçîñòè îò ãîðîäîâ Ïåòðîïàâëîâñê-Êàì÷àòñêèé è Åëèçîâî. Êàê ñ÷èòàåòñÿ, èçâåðaeåíèå Êîðÿêñêîãî âóëêàíà â 2008-2009 ãã. (ðèñ. 1) áûëî ðåçóëüòàòîì âûáðîñà ÷åðåç òðåùèíû â ôóíäàìåíòå âóëêàíà ôëþèäèçèðîâàííûõ íà ãëóáèíå êîðîâûõ ïîäçåìíûõ âîä. Èìåííî ïîýòîìó àêòèâèçàöèþ Êîðÿêñêîãî âóëêàíà â 2008-2009 ãã. îòíîñÿò ê ôðåàòè÷åñêîìó èëè
more » ... ìàëüíîìó òèïó èçâåðaeåíèé [14]. ñòàòüå ïðèâåäåíû íîâûå äàííûå îá àêöåññîðíûõ ìèíåðàëàõ â ïåïëàõ, îáðàçîâàâøèõñÿ ïðè ôðåàòè÷åñêîì èçâåðaeåíèè âóëêàíà Êîðÿêñêèé â 2008-2009 ãã. Îõàðàêòåðèçîâàíû ôîðìû âûäåëåíèÿ, ñîñòàâ è ñâîéñòâà ãðàíàòîâ, êîðóíäà è äåëüòàëþìèòà, ìóàññàíèòà, ñóëüôèäîâ òàëëèÿ, ìóàññàíèòà, ñàìîðîäíûõ ìåòàëëè÷åñêèõ è óãëåðîäíûõ ôàç, âêëþ÷àÿ àëìàç, à òàêaeå ïðåäïîëîaeèòåëüíî àáèîãåííûõ êîíäåíñèðîâàííûõ îðãàíè÷åñêèõ ñîåäèíåíèé. Îñîáåííîñòüþ êîðÿêñêèõ àëìàçîâ ÿâëÿåòñÿ î÷åíü ìåëêèé ðàçìåð è êóáè÷åñêèé ãàáèòóñ, ÷òî ìîaeåò ñâèäåòåëüñòâîâàòü îá èõ êðèñòàëëèçàöèè èç ãàçîâîé ôàçû â óñëîâèÿõ çíà÷èòåëüíûõ ïåðåñûùåíèé ïî óãëåðîäó. Îáíàðóaeåíèÿ â ïåïëàõ íà Êîðÿêñêîì âóëêàíå ðàçíîîáðàçíûõ ïî ôîðìå è öâåòó ÷àñòèö è íèòåé êîíäåíñèðîâàííûõ îðãàíè÷åñêèõ ñîåäèíåíèé ïîäòâåðaeäàåò ðàíåå ñäåëàííûé âûâîä î ñèñòåìàòè÷åñêîì íåîðãàíè÷åñêîì ñèíòåçå íà ñîâðåìåííûõ âóëêàíàõ äîñòàòî÷íî âûñîêîîðãàíèçîâàííûõ ïðåäáèîëîãè÷åñêèõ ôîðì îðãàíè÷åñêîãî âåùåñòâà. Êëþ÷åâûå ñëîâà: Êàì÷àòêà, âóëêàí Êîðÿêñêèé, ïåïëû, àêöåññîðíûå ìèíåðàëû, àëìàç, îðãàíè÷åñêèå ñîåäèíåíèÿ. Ïîñâÿùàåòñÿ ñâåòëîé ïàìÿòè èçâåñòíîãî ðîññèéñêîãî ìèíåðàëîãà-âóëêàíîëîãà è ýêñïåðèìåíòàòîðà Ðîìóàëüäà Ëüâîâè÷à Äóíèíà-Áàðêîâñêîãî The paper provides new data related to the accessory minerals found in ashes from phreatic eruption of Klyuchevskoy volcano in 2008-2009. We characterized form of extraction, composition and specific features of garnet, corundum, deltalumine, muassonite, sulfide thallium, native metal and carbon phases including micro-diamond, and also likely abiogenic condensed organic compound. A feature of the Koryak diamonds is a very small size and a cubic habit, which may indicate their crystallization from the gas phase under conditions of significant super saturation along the carbon. The detection of various particles and filaments of condensed organic compounds in the form and color in the ash of the Koryak volcano confirms the previous conclusion about systematic inorganic synthesis of highly organized prebiological forms of organic matter in modern volcanoes.
doi:10.19110/2221-1381-2018-2-18-27 fatcat:uvq3brdgvjhsnf56lcoo2duz7u