Platinum assemblage of Matysken River (Koryak Highlands, Russia): Key properties and relation with bedrock source

Kutyrev, Anton V. ORCID: https://orcid.org/0000-0001-5933-6455 and Sidorov, Eugene G. 2019. Platinum assemblage of Matysken River (Koryak Highlands, Russia): Key properties and relation with bedrock source. Presented at: 9th Geoscience Conference for Young Scientists, Ekaterinburg, Russia, 5-8 February 2018. Minerals: Structure, Properties, Methods of Investigation. Springer, 109 -114. 10.1007/978-3-030-00925-0_17

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Abstract

In this work, we present our first data on the spatial distribution of platinum group elements (PGE) in the minerals of the Matysken massif of Uralian-Alaskan type (Koryak Highlands). The platinum assemblage of the massif is represented by Ir-rich isoferroplatinum rimmed with secondary tetragonal minerals (tulameenite and tetraferroplatinum), native Os and Ir inclusions, minerals of laurite RuS2—erlichmanite OsS2 series. Both primary Pt–Fe and Os–Ir–Ru alloys of central parts of the massif dunite core are enriched in Ir relative to the samples from its outermost parts. The reasons for such distribution remain unclear. However, it corresponds with Nekrasov’s model, which describes the peculiarities of the composition of PGE minerals in different parts of zonal Uralian-Alaskan type massifs.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Earth and Environmental Sciences
Publisher:	Springer
ISBN:	978-3-030-00924-3
Last Modified:	08 Nov 2024 15:45
URI:	https://orca.cardiff.ac.uk/id/eprint/173070

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