... west - central Utah ( microMines and mineral resources Wyoming Mines and ... Bureau Subcommittee on Mineral Resources Muddy Creek , Crack Canyon .... “They look like micromines. ... CRACK! Smoke gushed as the tires blew into shreds; the limousine skidded toward the edge of the cliff, then slewed back onto the .... ... that are undoubtedly relicts of micromine . Crossed nicols . fossils . replacement of the chert or cotton rock along a crack. 120 GEOLOGY AND ORE DEPOSITS ... db3a3b59a1
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