Introduction
Kimberlite exploration and sampling in Nunavut for > 25 years
Blackadar and Christie (1963) document a “basic intrusive” on Somerset
Exploration in early 70’s sponsored by Cominco, a sample of “basic intrusive” is classified by Mitchell and Fritz (1973) as kimberlite
Cominco and Diapros discover > 25 pipes in 1973/74
1974 Diapros places a 1 tph plant on Somerset and process > 300 tons of kimberlite