METASEDIMENTARY ROCKS OF THE LAPLAND - KOLVITSA GRANULITE BELT OF THE BALTIC SHIELD: PRIMARY MINERAL COMPOSITION AND PETROGEOCHEMISTRY
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dc.contributor.author | Safronov V.T. | |
dc.date.accessioned | 2022-09-28T05:54:11Z | |
dc.date.available | 2022-09-28T05:54:11Z | |
dc.date.issued | 2004 | |
dc.identifier | https://elibrary.ru/item.asp?id=13458392 | |
dc.identifier.citation | Lithology and Mineral Resources, 2004, 39, 2, 169-179 | |
dc.identifier.issn | 0024-4902 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/38784 | |
dc.description.abstract | The normative mineral composition is reported on source rocks of metasediments from the granulite belt of the Baltic Shield. The primary composition, CIA index, and position of data points of studied rocks in discriminant diagrams indicate that a significant part of the studied rocks formed from immature sediments (graywackes and subgraywackes). The material supplied to sedimentation paleobasins was obtained from different (ultrabasic, basic, intermediate, and acid) rocks. The paleobasin was characterized by organic activity and reducing environment in the bottom layer. Correlation found between some elements, e.g., (Rb, Ba, Pb)–K; Sr–(Na, Ca), and so on, is also typical of Phanerozoic deposits. The possible contents of OM (Corg) and U were reconstructed in source rocks of metasediments of the Lapland–Kolvitsa granulite belt of the Baltic Shield. | |
dc.title | METASEDIMENTARY ROCKS OF THE LAPLAND - KOLVITSA GRANULITE BELT OF THE BALTIC SHIELD: PRIMARY MINERAL COMPOSITION AND PETROGEOCHEMISTRY | |
dc.type | Статья |
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