This marble quarry appears brilliant white from Tucson on a clear day. On the Geologic Map of Arizona, this quarry is lumped with Paleozoic sedimentary rock units - limestone, dolostone, quartzite and shales. It is Mississippian in age. Image courtesy of Google Earth. From Mindat, 'Mineralization is a contact metamorphism deposit of marmolized Paleozoic Escabrosa Limestone altered to marble. This is an extensive marble deposit of white marble."