Data for 2531

Sample identification
Record ID 2531
Sample ID 78JD572a
Geographic location
Quadrangle Sitka
Latitude 57.77
Longitude -136.203339
Processing information
Dating method K-Ar
Comment Sample was processed to concentrate sericite
Reference Decker et al, 1980, Decker, 1980a,b
Sample characteristics
Rock type phyllite
Mineral dated whole rock
Analytic result
Age (my) 91.2