Esperanza-Sierrita

United States· ArizonaUnknown
Contained Copper
6.7 Mt
Average Grade
0.29%
Deposit Type
Porphyry Cu-Mo
Discovery Year
1895

Overview

Combined production 1262.4 Mt of Esperanza (1959?1984) and Sierrita (1970?2004); 2004 combined resource 999.6 Mt. Exposed.

Geological Context

Host Rock: breccia, dacite porphyry, quartz latite porphyry, quartz monzonite porphyry (57?53)

Resources & Operations

Operator: 0

Production Start: 1907

Data Provenance

Source: USGS MRDS | coordinate: Mindat

References:
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