Discarded Drill Cores from the Blackbird Cobalt-Copper Mine
Detailed Description
Blocks of biotitic meta-sandstone from the lower part of the Gunsight Formation, and drill core from the underlying banded siltite unit of the Apple Creek Formation, lying on the dump of the lower workings of the Copper Queen mine, southeast of the Blackbird cobalt-copper mine area.
Sources/Usage
Public Domain.