Middle Paleozoic kimberlite magmatism in the northeastern Siberian craton

E. O. Egorova, V. P. Afanas’ev, N. P. Pokhilenko

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The mineral chemistry and crystal morphology of kimberlite pyropes from the Billyakh River placer in the northeastern Siberian craton are characterised in terms of the placer history. The pyropes bear signatures of chemical weathering (dissolution), presumably in a Middle Paleozoic laterite profile, and therefore were originally hosted by Middle Paleozoic kimberlites. The broad occurrence of placer pyropes with lateritic dissolution signatures points to the presence of Middle Paleozoic diamond-bearing kimberlites in the study area.

Original languageEnglish
Pages (from-to)1023-1026
Number of pages4
JournalDoklady Earth Sciences
Volume470
Issue number2
DOIs
Publication statusPublished - 1 Oct 2016
Externally publishedYes

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