Shannon Mahan
Geochronologist - Geologist U.S. Geological Survey Telephone- (303) 236-7928 |
SPECIALTIES:
Research into luminescence dating of young (<700 Ka) geologic materials in the western US. Supervisor of USGS Luminescence Dating laboratory, which has been in Denver, Colorado since 1992. The lab offers a full range of thermoluminescence, optically stimulated luminescence dating and other techniques using both Daybreak and Riso systems.
CURRENT WORK:
Shannon's current work includes- Geochronology of Pleistocene glacial and interglacial sediments in the Puget Lowland, Washington to establish
correlations throughout the lowland and determine deformation rates across the Seattle fault and other structures
(with Derek Booth, Kathy Troost, Ray Wells and others).
Geochronology of subsurface Pleistocene strata LA Basin-FOQUS drilling program (with Dan Ponti, Jack Hillhouse, Kris McDougall, John Tinsley, Brian Edwards, and others).Geochronology of A horizons, alluvium, dunes, paleolakes as part of the the Mojave Desert Recoverability and Vulnerability study (with Dave Miller, Rich Reynolds and others). - Miscellaneous projects, including the Angus, NE mammoth site; Great Sand Dunes National Park; Point Reyes (San
Francisco); Cyprus (with Rich Harrison); Albuquerque Basin (with Byron Stone, Jim Cole and Steve Personius); Brigham
City, UT paleolake beds (with Dave Miller).
LINKS:
USGS Central Region capabilities/geochronology
