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Showing 1 to 2 of 2 for “"Alaska petrography"”.
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The geology of the Khayyam and Stumble-On deposits, Prince of Wales Island, Alaska
The Khayyam and Stumble-On deposits are stratiform copper-zinc-gold-silver massive sulfide deposits within the late Proterozoic(?) to pre-Middle Ordovician Wales Group, a metamorphosed volcanic arc complex within the Alexander tectonostratigraphic terrain. These massive sulfide deposits are …
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Petrologic Significance of Multiple Magmas in the Quottoon Igneous Complex, NW British Columbia and SE Alaska
… Ma) magmatic body in NW British Columbia and SE Alaska that was emplaced along the Coast shear zone (CSZ). The QIC contains two different igneous suites that provide information about source regions, magmatic processes and evolving tectonic regimes that changed from a dominantly convergent to a …