Composition of melt inclusions and age of zircons of plagiogneisses from the Kola Superdeep Borehole, supplement to: Chupin, V P; Vetrin, V R; Rodionov, N V; Matukov, D I; Berezhnaya, N G; Sergeev, S A; Mitrofanov, F P; Smirnov, YuP (2006): Composition of melt inclusions and age of zircons from plagiogneisses of the Archean complex in the Kola Superdeep Borehole, Baltic Shield. Translated from Doklady Akademii Nauk, Ser. Geol., 2006, 406(4), 533-537, Doklady Earth Sciences, 406(4), 153-157

DOI

A comprehensive study of melt inclusions and SHRIMP dating of zircons from trondhjemite gneisses of the sequence VIII from the Kola Superdeep Borehole has revealed presence of old primary magmatic crystals with age up to 2887+/-15 Ma. This is not consistent with the previous view, according to which the oldest zircons from the Archean Complex in SG-3 are products of granulite metamorphism. Primary magmatic zircons of early generation (from 2887 to 2842 Ma) formed in deep-seated magma chambers during partial crystallization of CO2-saturated trondhjemite estimates on duration of generation of tonalite-trondhjemite-granite melts through partial melting of mafic rocks.

Identifier
DOI http://dx.doi.org/doi:10.1594/PANGAEA.788243
Metadata Access http://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite3&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.788243
Provenance
Creator Rodionov, N V;Mitrofanov, F P;Matukov, D I;Smirnov, YuP;Vetrin, V R;Berezhnaya, N G;Chupin, V P;Sergeev, S A
Publisher PANGAEA - Data Publisher for Earth & Environmental Science
Publication Year 2006
Rights Creative Commons Attribution 3.0 Unported (CC-BY)
Representation
Language English
Resource Type Supplementary Collection of Datasets
Format application/zip
Coverage
Discipline Earth System Research
Spatial Coverage (69N,31E)