Paleoproterozoic Age of Carbonates and Trondhjemites of the Central Azov Group: Sr Isotope Chemostratigraphy and U–Pb Geochronology
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DOI: 10.1134/s1028334x19020211
Abstract: The Sr isotope characteristic of carbonate rocks in the Central Azov Group has been reported (0.70322–0.70352), the Nd model age of silicate sediments has been calculated (2.34–2.31 Ga), and the U–Pb age of trondhjemites (2052… read more here.
Keywords: geochronology; central azov; azov group; age ... See more keywords
Layered Intrusions of Paleoproterozoic Age in the Kola and Karelian Regions
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DOI: 10.3390/min13050597
Abstract: Large-scale layered intrusions of a peridotite–pyroxenite–gabbronorite complex, to which Cr, Ni, Cu, and PGE deposits and ore occurrences are confined, were emplaced into the Baltic paleocontinent 2.50–2.45 Ga. Layered intrusions in the Monchegorsk Ore District,… read more here.
Keywords: karelian regions; kola karelian; layered intrusions; age kola ... See more keywords