Antipa Minerals Ltd (ASX:AZY) has sold its non-controlling interest in the Citadel Joint Venture Project in Western Australia to joint venture partners Rio Tinto for a cash consideration of A$17 million. The company had been progressing Citadel since 2015, when it entered into a JV agreement with Rio subsidiary Rio Tinto Exploration Pty Ltd (RTX), with 32% investment in the 1,200 square-kilometre play, with RTX the majority holder. The project – located in WA’s Paterson Province – was focused on two deposits, Calibre and Magnum, with these together holding a mineral resource estimate of 127 mi…