Duluth

United States· MinnesotaExploration
Contained Copper
10.0 Mt
Average Grade
0.40%
Deposit Type
Magmatic Sulfide
Discovery Year
1950

Overview

Giant magmatic Ni-Cu-PGE deposit. Duluth Complex. One of the world's largest undeveloped copper resources.

Geological Context

Tectonic Setting: Intracratonic rift

Resources & Operations

Operator: Twin Metals

Data Provenance

Source: Twin Metals NI 43-101

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