Stable Isotope Facility – People
Laboratory Managers

Craig A. Johnson
Research Geologist
Manager of the USGS Stable Isotope Laboratory, Ore genesis, Paleoenvironmental Studies
cjohnso@usgs.gov
303-236-7935
Susann Stolze
Research Associate
Manager of the Mines Stable Isotope Laboratory, Stable Isotope Geochemistry, Palynology
sstolze@mines.edu
303-384-2128
Laboratory Scientists

Matthew P. Emmons
Physical Scientist
Stable Isotope Analysis, Methods Developments
memmons@usgs.gov
303-236-6259
Affiliate Scientists
Thomas Monecke
Professor
Economic Geology, VMS Deposits, Hydrothermal Geochemistry, Archean Geology
tmonecke@mines.edu
303-273-3841