WebChapter I—Environmental Geochemical Study of Red Mountain—An Undisturbed Volcanogenic Massive Sulfide Deposit in the Bonnifield District, Alaska Range, East-Central Alaska, by Robert G. Eppinger, Paul H. Briggs, Cynthia Dusel-Bacon, Stuart A. Giles, Larry P. Gough, Jane M. Hammarstrom, and Bernard E. Hubbard WebCynthia Dusel-Bacon, Marvin A. Lanphere, Warren D. Sharp, Paul W. Layer, and Vicki L. Hansen Abstract: We present new40Ar/39Ar ages for hornblende, muscovite, and biotite from metamorphic and plutonic rocks from the Yukon–Tanana Upland, Alaska.
Cynthia Dusel-Bacon U.S. Geological Survey
WebJul 28, 2013 · Volcanogenic massive sulfide (VMS) Zn-Pb-Cu-Ag-Au deposits of the Bonnifield mining district formed during Late Devonian-Early Mississippian magmatism along the western edge of Laurentia. The largest deposits, Dry Creek and WTF, have a combined resource of 5.7 million tonnes at 10% Zn, 4% Pb, 0.3% Cu, 300 grams per tonne (g/t) Ag, … WebShare your videos with friends, family, and the world chilly\\u0027s water bottle lid
FIELD STATION LOCATIONS AND MAGNETIC SUSCEPTIBILITY …
WebMay 25, 2024 · Cynthia Dusel-Bacon lost both arms as a result of the attack but went on to recover and finish her career with the USGS. The attack led a coworker of Dusel-Bacon, Steve Nelson of Anchorage, to create and begin teaching a … WebNov 23, 2024 · Cynthia Dusel-Bacon is a Geologist at U.S. Department of the Interior - U.S. Geological Survey based in Reston, Virginia. Cynthia received a BA de Read More Last … WebApr 13, 2024 · In 1978, Cynthia Dusel-Bacon, a geologist with U.S. Geographical Survey, was severely mauled by a black bear in the Yukon wilderness. She didn’t have a firearm with her at the time, and she lost both arms as a result of the attack. RELATED STORY Predator Hunting with Ruger’s American Predator Rifle, Pulsar’s Trail XQ50 chilly\u0027s water bottle uk