RJK Explorations Ltd. is a mineral exploration company, which engages in the acquisition, development, and evaluation of early stage mineral resource properties. The company is headquartered in Kirkland Lake, Ontario. The firm is engaged in the acquisition, exploration and development of early-stage mineral resource properties. The Company’s focus is on diamond exploration in the Cobalt area of Northern Ontario. Its mineral property interests consist of various early-stage exploration projects, with the Company's full focus on the multiple Cobalt diamond properties optioned. The firm has acquired through staking and mineral option agreements in excess of some 10,755 hectares, totaling some 564 mineral claims in the Cobalt and area mining camp. The Bucke mineral claims, located approximately three kilometers west of the town of Haileybury, Ontario, contain the Peddie kimberlite pipe. Its wholly owned subsidiary is RJK Metals Inc.