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Abstract. Mount Drum is one of the youngest volcanoes in the subduction-related Wrangell volcanic field (80200km) of southcentral Alaska. It lies at the northwest end of a series of large, andesite-dominated shield volcanoes that show a northwesterly progression of age from 26Ma near the Alaska-Yukon border to about 0.2Ma at Mount Drum. The volcano was constructed between 750 and 250ka during at least...
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