Zenith
Canada· OntarioUnknown
Overview
Massive lens extends down to depth of 300 m below surface at the base of gabbro sill. Calc-alkaline.
Geological Context
Tectonic Setting: Bimodal-mafic in oceanic arc
Resources & Operations
Operator: 0
Production Start: 1879
Data Provenance
Source: USGS MRDS