copper sheet (mesoproterozoic, 1.05-1.06 ga; white pine mine, ontonagon county, upper peninsula of michigan, usa) 4 color palette

1526973
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#DB610F #7C4523 #FF7613 #FF9429 #FFC545

related tags: 664B3A 7C4523 A86B42 C4804E D89963 DB610F F5C07F FF7613 FF9429 FFC545 copper county filling fracture joint mesoproterozoic michigan mine nonesuch ontonagon peninsula pine precambrian proterozoic shale sheet upper white