Moissanites of the Popigai Astrobleme
- Авторлар: Gromilov S.1,2, Afanasiev V.3, Pokhilenko N.3
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Мекемелер:
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch
- Novosibirsk State University
- Sobolev Institute of Geology and Mineralogy, Siberian Branch
- Шығарылым: Том 481, № 2 (2018)
- Беттер: 997-999
- Бөлім: Geology
- URL: https://journals.rcsi.science/1028-334X/article/view/193789
- DOI: https://doi.org/10.1134/S1028334X18080275
- ID: 193789
Дәйексөз келтіру
Аннотация
Moissanites were found in tagamites of the Popigai meteorite crater along with impact diamonds. We have studied 55 samples including 49 individual polytypes and six intergrowths. The numbers of 6H, 15R, 4H, 6H/15R, and 6H/4H polytypes are 82, 7, 5, 4, and 2%, respectively. By the assemblage of polytypes, the moissanites of the Popigai astrobleme are distinct from kimberlite moissanites, as well as from synthetic SiC, which is characterized by the absence of the 4H polytype and the presence of more diverse inclusions (including Fe-bearing). The Popigai astrobleme is one of few objects with reliable natural moissanite. Technogenic contamination is excluded, since any researcher can find this mineral in tagamites.
Авторлар туралы
S. Gromilov
Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk State University
Хат алмасуға жауапты Автор.
Email: grom@niic.nsc.ru
Ресей, Novosibirsk, 630090; Novosibirsk, 630090
V. Afanasiev
Sobolev Institute of Geology and Mineralogy, Siberian Branch
Email: grom@niic.nsc.ru
Ресей, Novosibirsk, 630090
N. Pokhilenko
Sobolev Institute of Geology and Mineralogy, Siberian Branch
Email: grom@niic.nsc.ru
Ресей, Novosibirsk, 630090