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2016 | OriginalPaper | Buchkapitel

6. Relationship Between the Lavas and the Ore-Bearing Massifs

verfasst von : Nadezhda A. Krivolutskaya

Erschienen in: Siberian Traps and Pt-Cu-Ni Deposits in the Noril’sk Area

Verlag: Springer International Publishing

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Abstract

The geologic relationships between the basalts and ore-bearing intrusions are described based on the example of the Southern Maslovsky massif, which intruded basalts of the Nadezhdinsky Formation. Therefore, these rocks were formed in post-Nadezhdinsky time. The ore-bearing intrusions are similar to the volcanic rocks of the Morongovsky Formation in terms of their rare elements and isotopic compositions (Sr, Ɛ_Nd), but they contain higher MgO concentrations (10–12 wt % on average) and a heavier S isotope composition (up to 18‰ compared with 6–7‰ in the basalts).

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Nächstes Kapitel Basic–Ultrabasic Intrusions in the Kola-Karelia Area

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Titel: Relationship Between the Lavas and the Ore-Bearing Massifs
verfasst von: Nadezhda A. Krivolutskaya
Verlag: Springer International Publishing
Buch: Siberian Traps and Pt-Cu-Ni Deposits in the Noril’sk Area
Print ISBN: 978-3-319-17204-0

Electronic ISBN: 978-3-319-17205-7

Copyright-Jahr: 2016
DOI: https://doi.org/10.1007/978-3-319-17205-7_6