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Keywords: underground environmentClose
Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-057
... and the underground environment Geology of San Rafael mine involves silts and quartzite rocks of the tertiary Sandia formation with the intrusion of two granites. In the neighborhood there are rocks of the upper Paleozoic. In the Sandia formation silts have dark gray colors with muscovite in the cleavage plans where...
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