Perth-based resources industry publisher Aspermont Ltd has increased its stake in South Perth-based mineral explorer Excalibur Mining Corporation Ltd, receiving 40 million shares and 20 million options for its stake in a mining subsidiary.

Perth-based resources industry publisher Aspermont Ltd has increased its stake in South Perth-based mineral explorer Excalibur Mining Corporation Ltd, receiving 40 million shares and 20 million options for its stake in a mining subsidiary.