EARLY PALEOZOIC GRANITOIDS IN THE EASTERN MARGIN OF THE ARGUN' TERRANE, AMUR AREA: FIRST GEOCHEMICAL AND GEOCHRONOLOGIC DATA
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dc.contributor.author | Sorokin A.A. | |
dc.contributor.author | Kudryashov N.M. | |
dc.contributor.author | Jinyi L. | |
dc.contributor.author | Pin Y. | |
dc.contributor.author | Guihua S. | |
dc.contributor.author | Liming G. | |
dc.contributor.author | Zhuravlev D.Z. | |
dc.date.accessioned | 2022-11-03T10:21:06Z | |
dc.date.available | 2022-11-03T10:21:06Z | |
dc.date.issued | 2004 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=13454256 | |
dc.identifier.citation | Petrology, 2004, 12, 4, 367-376 | |
dc.identifier.issn | 0869-5911 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/39355 | |
dc.description.abstract | The leucocratic subalkaline granites found in the eastern margin of the Argun' terrane have an U-Pb age of 467-472 Ma and compose relatively small tectonic blocks among Silurian and Devonian terrigenous-carbonate deposits and Late Paleozoic granitoids. According to the first geochemical data, the Early Paleozoic subalkaline leucogranites are similar to A-type granitoids of Whalen et al. (1987). The isotopic composition of the granitoids corresponds to that of Central Asian Caledonian and Riphean crustal provinces. The variable isotopic-geochemical characteristics of these rocks, for example, their eNd from +2.4 to -6.8 and TNd(DM-2st) from 1.0 to 1.2 Ga, suggest that the source of the melts was compositionally heterogeneous. | |
dc.subject | Paleozoic | |
dc.title | EARLY PALEOZOIC GRANITOIDS IN THE EASTERN MARGIN OF THE ARGUN' TERRANE, AMUR AREA: FIRST GEOCHEMICAL AND GEOCHRONOLOGIC DATA | |
dc.type | Статья | |
dc.subject.age | Paleozoic | |
dc.subject.age | Палеозой | ru |
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