Johnson Camp

United States· ArizonaUnknown

Contained Copper

3.0 Mt

Average Grade

0.49%

Deposit Type

Porphyry Cu-Mo

Discovery Year

1870

Overview

Exposed.

Geological Context

Host Rock: hornfels, quartz monzonite, skarn (53)

Resources & Operations

Operator: Nord Resources

Mining Method: Open Pit

Production Start: 1975

Data Provenance

Source: USGS MRDS

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