Results are reported on Rb-87 and Sr-87 found in fragments from the Luna 20 mission. The results show a low radiogenic character, but clearly demonstrate the presence of high K components. A model for lunar evolution is presented. (Author)
Ages, RB-87 Sr-87 of Soil and Rock Fragments Brought from the Lunar Mountains by Luna 20
1973
10 pages
Report
No indication
English