PGE-Enrichment in Magnetite-Bearing Olivine Gabbro: New Observations from the Midcontinent Rift-Related Echo Lake Intrusion in Northern Michigan, USA

The Echo Lake intrusion in the Upper Peninsula (UP) of Michigan, USA, was formed during the 1.1 Ga Midcontinent Rift event in North America. Troctolite is the predominant rock unit in the intrusion, with interlayered bands of peridotite, mafic pegmatitic rock, olivine gabbro, magnetite-bearing gabbr...

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Bibliographic Details
Main Authors: Alexander James Koerber, Joyashish Thakurta
Format: Article
Language:English
Published: MDPI AG 2018-12-01
Series:Minerals
Subjects:
Online Access:http://www.mdpi.com/2075-163X/9/1/21