GEOCHEMISTRY AND GENESIS OF DEEP-SEATED ARCHEAN ENDERBITES IN THE SUTAM BLOCK, SOUTHERN ALDAN SHIELD
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dc.contributor.author | Mishkin M.A. | |
dc.contributor.author | Vovna G.M. | |
dc.contributor.author | Lavrik S.N. | |
dc.contributor.author | Oktyabr'skii R.A. | |
dc.date.accessioned | 2021-02-18T10:34:07Z | |
dc.date.available | 2021-02-18T10:34:07Z | |
dc.date.issued | 2001 | |
dc.identifier | https://elibrary.ru/item.asp?id=13370493 | |
dc.identifier.citation | Geochemistry International, 2001, 39, 7, 627-645 | |
dc.identifier.issn | 0016-7029 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/25105 | |
dc.description.abstract | The stratigraphic bottom of the deep-seated Sutam granulite complex is demonstrated to consist of a stratified metabasite-enderbite formation. Regularities in the distribution of major and trace elements indicate that the protoliths of these rocks were volcanics of the andesite-dacite and komatiite-basalt associations. The model proposed for the genesis of the volcanic associations includes two stages. Stage I involves decompressional partial melting of the material of an ascending mantle plume with the derivation of melts of the komatiite-basalt association. Stage II was marked by the production of volcanic rocks of the andesite-dacite association by the partial melting of the primary basaltic crust under the effect of heat provided by the ascending mantle plume. The protoliths of the metabasite-enderbite association of the Sutam block were produced at the boundary between the Early and Late Archean at 3.1 Ga. | |
dc.subject | Aldan Shield | |
dc.subject | Sutam block | |
dc.subject | Archean | |
dc.title | GEOCHEMISTRY AND GENESIS OF DEEP-SEATED ARCHEAN ENDERBITES IN THE SUTAM BLOCK, SOUTHERN ALDAN SHIELD | |
dc.type | Статья | |
dc.subject.age | Precambrian::Archean | en |
dc.subject.age | Докембрий::Архей | ru |
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