Data for 1912

Sample identification
Record ID 1912
Sample ID DT75-28
Geographic location
Quadrangle Mt. McKinley
Latitude 63.866665
Longitude -150.366669
Processing information
Dating method K-Ar
Comment Biotite muscovite quartzofeldspathic schist
Reference Bundtzen and Turner, 1978
Sample characteristics
Rock type schist
Mineral dated biotite
Analytic result
Age (my) 85.7