Petrology and REE potential of mid-Cretaceous alkaline intrusive rocks in the Darby Mountains, Seward Peninsula, Alaska


Susan Karl1, Elizabeth Drewes2, Douglas Kreiner2, George Case2, Stephen E Box3, Alan Pongratz2 and Andy Allard2, (1)USGS Alaska Science Center, Anchorage, AK, United States, (2)USGS, Alaska Science Center, Anchorage, AK, United States, (3)US Geological Survey, Spokane, WA, United States