Data for 1641

Sample identification
Record ID 1641
Sample ID 5044
Geographic location
Quadrangle Medfra
Latitude 63.235001
Longitude -154.763336
Processing information
Dating method Pb-alpha
Comment Nixon Fork Mine
Reference Jaffe et al, 1959, Matzko et al, 1958
Sample characteristics
Rock type monzonite
Mineral dated zircon
Analytic result
Age (my) 58