Bibliographic Details
| Title: |
Extra-Mantle Genetic Diamond Types and the Potential of the Kamchatka Diamondiferous Province of Russia. |
| Authors: |
Silaev, V. I., Karpov, G. A., Demin, A. G., Anikin, L. P., Vergasova, L. P., Filippov, V. N., Smoleva, I. V., Vasiliev, E. A., Sukharev, A. E., Makeev, B. A., Khazov, A. F. |
| Source: |
Journal of Volcanology & Seismology; Apr2024, Vol. 18 Issue 2, p165-179, 15p |
| Subject Terms: |
ELECTRIC discharges, INDUSTRIAL capacity, ORE deposits, DIAMONDS, ATMOSPHERIC methane, PROVINCES |
| Geographic Terms: |
KAMCHATKA Peninsula (Russia), RUSSIA |
| Abstract: |
This paper reports results from a study of two new genetic types of diamond discovered in Kamchatka. These diamonds were formed under extra-mantle conditions, as can be inferred from the fact that there is no indication of post-crystallization annealing with the formation of aggregated nitrogen defects in them. The first of these types is defined by us as volcanic-atmoelectrogenic. This is formed directly in a volcanic ash-gas cloud due to deep-seated methane released by atmospheric electric discharges. The second genetic type of diamonds is formed at depth within a magmatic-pneumatolytic-hydrothermal ore deposit, and can be defined as the explosive-tuffisite type. The industrial potential of these types enables us to assert the discovery of a new diamondiferous province, i.e., the Kamchatka Province. [ABSTRACT FROM AUTHOR] |
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