Data for 1987

Sample identification
Record ID 1987
Sample ID EF-17
Geographic location
Quadrangle Nabesna
Latitude 62.238335
Longitude -142.668335
Processing information
Dating method K-Ar
Comment Altered trondhjemite porphyry, Bond Creek prospect
Reference Silberman et al, 1977a
Sample characteristics
Rock type trondjemite
Mineral dated chlorite
Analytic result
Age (my) 21.2