George Case staff photo

By Alaska Science Center August 4, 2023

Geologist sitting on lichen covered bolder in orange safety vest and backpack by his feet. Tree and mountains behind him.

Detailed Description

Scientist in the field at the Ruby / Crystal vein graphite prospect, Dillon, Montana. The Ruby prospect is the most significant vein-type graphite occurrence in the US and is being studied by the USGS to understand more about how hydrothermal graphite veins form.

Sources/Usage

Public Domain.