Phosphate in the Canadian Rockies

DURING Palaeozoic time, there were deposited in the Canadian Rockies four beds of phosphate rock, ranging in age from Mississippian to Jurassic. Two of these beds are of probable economic importance if some means of separating the phosphate from the gangue can be devised.
Keywords: Canadian, chert, Fernie shales, limestone, phosphate, Rocky Mountain Quartzite, formation, limestone, Phosphate, Phosphates, Quartzites, ROCKY, Sandstone, Shale, Shales
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