digenite-pyrite (latest cretaceous to earliest tertiary, 62-66 ma; leonard mine, butte, montana, usa) 4 color palette

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#212429 #505A5D #364049 #BBBCC1 #647798

related tags: 3B4044 505A5D 54585A 717A8B BBBCC1 BDBDC0 butte copper cretaceous danian digenite district leonard maastrichtian mine mineral minerals mining montana paleocene paleogene pyrite sulfide sulfides tertiary 212429 232527 364049 647798