Red Back Mininig is a one of the leaders in this regard.

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Nov. 16, 2009) - Red Back Mining Inc. (the "Company" or "Red Back") (TSX:RBI) is pleased to report another significant increase in Mineral Resources at its 100% owned Tasiast Gold Mine ("Tasiast") in Mauritania.

The Measured and Indicated Resource at Tasiast has increased by approximately 890,000 ounces to 5.37 million ounces (at cut off grades of 0.2g/t for oxide and 0.5g/t for fresh material) since the previous estimate announced on Sept 14, 2009.

********This is an increase of 20% in only 2 months.

This large increase in resources has been calculated based upon 30,000 metres of drilling since early September 2009, substantially in the new Greenschist Zone at the West Branch Deposit (News Release: October 27, 2009).