Barite from the Cedar Creek Anticline, Glendive, Montana.
From: Rocks & Minerals
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Date: 3/1/2003
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Author: Hedtke, Mike
Pierre Shale outcrops in South Dakota--particularly the [Elk Creek location (Roberts and Campbell 1987)--have produced superb barite crystals in the past but are now generally closed to collecting. Two lesser-known accessible Montana localities have for years generated similar specimens from a higher member of the same formation but are undocumented. This article details the easternmost occurrence, numerous parcels of BLM-administered land in what is known as the Pine Oil Field, 14 ...
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