Zinc

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Sept. 22, 2011) - Silvercorp Metals Inc. ("Silvercorp" or the "Company") (TSX:SVM)(NYSE:SVM) announced it has acquired a total of 4,468,012 of its common shares at a total cost of $34,949,140 (average price of CDN$7.82 pursuant to its normal course issuer bid ("NCIB") announced on June 17, 2011. Under the existing NCIB the Company intends to acquire up to 10 million common shares. All common shares purchased under the NCIB will be cancelled.

Russia and Iran are creating a $1.2 billion joint venture between state company Russian Technologies and Tehran state Bank Saderat to tap into Iran's colossal zinc deposits, Kommersant daily reported Tuesday.

News that the Mongolian government is rethinking a 2009 deal that gave Ivanhoe Mines and Rio Tinto a 66% stake in the massive Oyu Tolgoi gold and copper project has sent the shares of Ivanhoe down more than 9.5% in Toronto on Wednesday afternoon, while Rio's ADRs gave up over 6% in New York trade. The bad news appears to have led to a bust-up between the two companies, with Ivanhoe founder and CEO Robert Friedland saying on Wednesday Rio's senior management has been making "unauthorized and incomplete" statements about Oyu Tolgoi and that he will take the matter up with the world's number three miner. Ivanhoe is closely tied to Mongolia where it also controls SouthGobi, a producing coal mine. SouthGobi plummeted 10% on Wednesday.

Freeport-McMoran Copper & Gold reported on Wednesday that the strike at its Grasberg operations in Papua, Indonesia, which began Sept. 15, is costing the company about 3 million pounds of copper and 5 thousand ounces of gold for each day of the work stoppage. The company says that it is negotiating a two-year extension of its bi-annual collective labour agreement, which is scheduled for renewal on September 30, 2011.

China's position as the world's economic engine is being reinforced as expectations for growth in developed markets wane, but so is the risk a decline in its appetite for metals and minerals may mean the Asian giant won't offset any Western slowdown.

After declaring a 730,000 tonne increase of contained copper in mineral resources at Kennecott Utah Copper, Rio Tinto (NYSE:RIO) expects to head underground. Rio Tinto says that the mineral resource, known as the North Rim Skarn, is a high-grade copper-gold skarn deposit located approximately 300 metres below the current Bingham Canyon pit, the world's deepest open pit mine. The company has committed US$165 million to complete the next stage of exploration and development studies by 2014.

The Mongolian government is discussing possible changes to a 2009 investment agreement for the massive Oyu Tolgoi copper-gold deposit, media reports quoted Mongolia's finance minister, S. Bayartsogt, as saying Tuesday. The 2009 deal gave a 66 percent stake in the multibillion-dollar Oyu Tolgoi project in Mongolia's South Gobi region to the Canadian miner Ivanhoe Mines (Toronto: IVN.TO - news) , in which mining giant Rio Tinto now owns a 48.5 percent stake. The government has the remaining 34 percent stake.

Despite order books that are full and robust commodity prices, Rio Tinto says that customer sentiment is now more cautious and physical markets are softer than they were six months ago. Executives from Rio Tinto, one of the world's largest diversified miners, voiced their concerns at an investor seminar in London and New York on Tuesday. The company is finding that customers are concerned over the health of the OECD economies and persistent volatility in financial markets.

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Sept. 20, 2011) - Empire Mining Corporation (TSX VENTURE:EPC) ("Empire") is pleased to report the final assay results for the remaining drill holes from Phase I drilling at the Demirtepe copper-gold-silver-molybdenum project located in western Turkey, where drilling in the Main Zone has consistently intercepted significant shallow mineralization in every hole completed. The most recent assays include the following significant copper-gold-silver and molybdenum intersections