A Geologic Reconnaissance in Southeastern Seward Peninsula and the Norton Bay-Nulato Region, Alaska |
Common terms and phrases
abundant Alaska bed rock bench Bendeleben Mountains biotite black slates Bluff Bonanza Creek Buckland camp A13 character coal coast Collier Cretaceous Darby Peninsula Darby Range deformation deposits dikes diorite divide drainage East Fork eastern erosion evidence farther faults feet Fish River Fish River basin flow folding formed geologic glacial gold placers granite gravels greenstone headward hills igneous rocks Inglutalik intrusion Kateel Kiwalik Kiwalik River Koyuk River Koyukuk Kwiniuk lava limestone lithologic lower Mendenhall metamorphic rocks miles mineralization mining Moffit mouth Niukluk Norton Bay Norton Sound Nulato Nulato-Council region Nulato-Norton Bay region occur older Omilak Ophir Creek outcrops Paleozoic Paleozoic rocks Pargon period places Plate portion post-Cretaceous probably prospecting quartz quartzite reported sand sandstones schistose schists sedimentary sediments Seward Peninsula shaft Shaktolik group shales shows slopes stream structure surface Survey thickness tion topography tributaries Tubutulik U. S. Geol Ungalik conglomerate uplands valley Yukon