Hirota

Japan· EhimeUnknown

Contained Copper

—

Average Grade

2.80%

Deposit Type

VMS — Bimodal-Mafic

Discovery Year

—

Overview

Massive, banded, disseminated ores. Besshi-type.

Geological Context

Tectonic Setting: Pelite-mafic in mature oceanic backarc

Resources & Operations

Production Start: 1917

Data Provenance

Source: USGS MRDS

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