BIP! Finder - Parental Sources of High–Alumina Alkaline Melts: Nd, Sr, Pb, and O Isotopic Evidence from the Devonian Kiya–Shaltyr Gabbro

2018 • Parental Sources of High–Alumina Alkaline Melts: Nd, Sr, Pb, and O Isotopic Evidence from the Devonian Kiya–Shaltyr Gabbro–Urtite Intrusion, South Siberia

Authors: Vrublevskii, V. V.; Gertner, Igor F.; Chugaev, A. V.

Venue: Doklady Earth Sciences

Type: Publication

Abstract: The isotope geochemistry (eNd(t) 4.8–5.4, 206Pb/204Pb in 18.05–18.36, 207Pb/204Pbin 15.53–15.57, 208Pb/204Pb in 37.59–37.83, 87Sr/86Sr(t) 0.7048–0.7057, δ18OSMOW 8–10.5‰) and trace element composition of the Kiya–Shaltyr gabbro–urtite pluton allow us to suggest a heterogeneous source and complex geodynamic settings of the Devonian alkali magmatism in the Kuznetsk Alatau. It is assumed that its evolution took place under conditions of partial mingling of matter of the depleted (PREMA) and enriched (EM) mantle with crustal cont... (read more)

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5.1433577E-9 2.8892067E-9 10 8

/ Attention: 0 26

Topics: Geochemistry

DOI: 10.1134/s1028334x18040293

External links: Crossref OpenAIRE

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