Time, Cratons, and Voyageurs NP
Time, Cratons, and Voyageurs NP
Time, Cratons, and Voyageurs NP
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<strong>Voyageurs</strong> National ParkGeologic History• Archean (>2.6 Ga; Early Precambrian)– Intensely metamorphosed sedimentary,volcanic, <strong>and</strong> intrusive igneous rocks