Data for 1245

Sample identification
Record ID 1245
Sample ID 2
Geographic location
Quadrangle Juneau
Latitude 58.841667
Longitude -135.041672
Processing information
Dating method K-Ar
Comment Jualin mine, hydrothermal muscovite from quartz vein
Reference Goldfarb et al, 1991
Sample characteristics
Rock type other
Mineral dated muscovite
Analytic result
Age (my) 55.5