Early this week B2Gold said it would acquire Sabina Gold & Silver for C$1.1 billion (US$823.66 million).On Friday's Roundtable mining audiences manager Michael McCrae and Kitco correspondent Paul Harris talked about yet another big M&A in the gold sector. Early this month number one gold miner Newmont made a $16.9 billion offer for number seven ranked Newcrest. This week Newcrest said the offer under values the company. McCrae and Harris also talked about LG Chem buying a stake in Piedmont Lithium.