ISOTOPIC COMPOSITON OF CARBON IN POLYCRYSTALLINE AGGREGATES OF DIAMOND WITH INCLUSONS OF GARNET AND RUTILE FROM THE MIR PIPE
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dc.contributor.author | Reutskii V.N. | |
dc.contributor.author | Efimova E.S. | |
dc.contributor.author | Sobolev N.V. | |
dc.date.accessioned | 2021-01-31T12:54:21Z | |
dc.date.available | 2021-01-31T12:54:21Z | |
dc.date.issued | 2000 | |
dc.identifier | https://elibrary.ru/item.asp?id=14997789 | |
dc.identifier.citation | Geologiya i geofizika, 2000, 41, 12, 1742-1747 | |
dc.identifier.issn | 0016-7886 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/24161 | |
dc.description.abstract | Polycrystalline aggregates of bort-type diamond with inclusions of garnet and rutile from the Mir pipe have delta C-13 of -3.7 to -22.9 parts per thousand PDB. The bort of variety VIII (Yu.L. Orlov's classification) differs from the bort of variety IX in having a narrower range of delta C-13 (-3.7 to -9.4 and -3.8 to -22.9 parts per thousand, respectively). The isotopically heavy diamond aggregates (delta C-13>similar to 10 parts per thousand) with cubic individuals make the maximum contribution of C-12 as compared with the aggregates having individuals of other morphological types. Within the Mir pipe, the E-type bort is statistically enriched in C-13 relative to single diamond crystals of the same paragenesis. | |
dc.title | ISOTOPIC COMPOSITON OF CARBON IN POLYCRYSTALLINE AGGREGATES OF DIAMOND WITH INCLUSONS OF GARNET AND RUTILE FROM THE MIR PIPE | |
dc.type | Статья |
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