Category:Asphaltite dikes
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Media in category "Asphaltite dikes"
The following 4 files are in this category, out of 4 total.
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Gilsonite (uintaite) (asphaltite dike in the Uinta formation; Bonanza area, Utah, USA) 1.jpg 2,507 × 1,770; 2.29 MB
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Mining gilsonite (Cowboy Dike; north of Bonanza, Utah, USA) 3.jpg 4,000 × 2,609; 8.85 MB
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Mining gilsonite (Cowboy Dike; north of Bonanza, Utah, USA) 4.jpg 4,000 × 2,020; 7.44 MB