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• Late Proterozoic to Pleistocene (2.1Ga – 1.8 Ma)– Minor intrusions 2.1 Ga– Has been “stable” since thenWhy are the deep roots ofmountains exposed? Iserosion enough?NationalParkService