Data for 690

Sample identification
Record ID 690
Sample ID 77AWs183
Geographic location
Quadrangle Chignik
Latitude 56.23
Longitude -158.483337
Processing information
Dating method K-Ar
Comment Quartz-sercite altered volcanic rock, mean of 2 determinations
Reference Wilson, 1978, 1980, Wilson et al, 1981, Wilson and Cox, 1983
Sample characteristics
Rock type other
Mineral dated whole rock
Analytic result
Age (my) 21.2