· Guatemala Mining Industry Newswire. Get by Email • RSS. Published on Sep 30, 2021. Silver Bull and Arras Minerals Appoint Darren Klinck as President. VANCOUVER, British Columbia, Sept. 29, 2021 (GLOBE NEWSWIRE) Silver Bull Resources, Inc. (OTCQB: SVBL, TSX: SVB) ("Silver Bull") and Arras Minerals Corp. ("Arras") are pleased to announce the .