Mammoth

United States· CaliforniaUnknown

Contained Copper

—

Average Grade

3.93%

Deposit Type

VMS — Bimodal-Felsic

Discovery Year

1880

Overview

Massive tabular bodies. 9 orebodies.

Geological Context

Tectonic Setting: Siliciclastic-felsic in mature epicontinental arc

Resources & Operations

Production Start: 1905

Data Provenance

Source: USGS MRDS

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