THE OLDEST VOLCANIC GLASS IN THE EARLY PALEOPROTEROZOIC BONINITE-TYPE LAVAS, KARELIAN CRATON: RESULTS OF INSTRUMENTAL INVESTIGATIONS
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dc.contributor.author | Sharkov E.V. | |
dc.contributor.author | Trubkin N.V. | |
dc.contributor.author | Krasivskaya I.S. | |
dc.contributor.author | Bogatikov O.A. | |
dc.contributor.author | Mokhov A.V. | |
dc.contributor.author | Chistyakov A.V. | |
dc.contributor.author | Evseeva K.A. | |
dc.contributor.author | Zolotykh E.B. | |
dc.contributor.author | Ladygin V.M. | |
dc.date.accessioned | 2022-01-16T05:05:33Z | |
dc.date.available | 2022-01-16T05:05:33Z | |
dc.date.issued | 2003 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=13444724 | |
dc.identifier.citation | Doklady Earth Sciences, 2003, 390, 4, 580-584 | |
dc.identifier.issn | 1028-334X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/34356 | |
dc.description.abstract | Since Early Precambrian volcanic rocks are typically strongly altered by superimposed processes, they retain primary composition and texture only in exceptional cases. Such a case is observed in the Early Paleoproterozoic volcanic rocks of the Vetrenyi Belt Formation of the synonymous riftogenic structure in southeastern Karelia, where volcanic glass is locally preserved [1-3]. The Sm-Nd, Re-Os, and U-Pb (zircon) ages of volcanic rocks of this formation range from 2.5 Ga in the lower parts to 2.41 Ga in the upper parts of the sequence [1-3]. Zolotykh and Ladygin [4, 5] also confirmed the presence of volcanic glass in these rocks. During short-term field works in 2000, we collected additional samples in the southeastern termination of the graben-shaped Vetrenyi Belt, where the least altered rocks were preserved. The samples were mainly treated at the Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry. | |
dc.subject | Paleoproterozoic | |
dc.title | THE OLDEST VOLCANIC GLASS IN THE EARLY PALEOPROTEROZOIC BONINITE-TYPE LAVAS, KARELIAN CRATON: RESULTS OF INSTRUMENTAL INVESTIGATIONS | |
dc.type | Статья | |
dc.subject.age | Precambrian::Proterozoic::Paleoproterozoic | |
dc.subject.age | Докембрий::Протерозой::Палеопротерозойская | ru |
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