Penobscot

United States· MaineUnknown
Contained Copper
—
Average Grade
1.25%
Deposit Type
VMS — Bimodal-Felsic
Discovery Year
1881

Overview

Massive lenses, 0.005 km thickness, come banding, colloform, framboid textures, poorly zoned. Subduction zone or extensional rift in post-arc setting. No strike dimension available.

Geological Context

Tectonic Setting: Siliciclastic-felsic in mature epicontinental arc

Resources & Operations

Operator: 0

Production Start: 1968

Data Provenance

Source: USGS MRDS