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VANCOUVER, British Columbia, April 08, 2021 (GLOBE NEWSWIRE)
Calibre Mining Corp. (TSX: CXB; OTCQX: CXBMF) (the Company or Calibre ) is pleased to provide an update on the Borosi exploration project held under an earn-in option agreement between Rio Tinto Exploration (LSE:RIO) ( RTX ) ( Rio Tinto ) and Calibre. Calibre controls a 100% interest in the Borosi concessions located in the prolific Mining Triangle region of northeastern Nicaragua. RTX has the right to earn a 75% interest by spending US$45 million over eleven years in the project (see Calibre news release dated February 24, 2020 (https://calibremining.com/news/calibre-and-rio-tinto-exploration-enter-into-agree-1298/)). The Borosi exploration program is being directed by RTX through a partnership agreement with Calibre as project operator.