Friday, March 26, 2010

Rio's new program for rapid construction of deep underground mines

Major miner Rio Tinto is looking at new tunnelling and shaft boring equipment and techniques for underground mining as it expands its ‘Mine of the Future' programme

MSHA to focus on health issues and impoundments in the US

As Attorney Karen Johnston at Jackson Kelly says, “there can be few things as dry as a federal agency’s Congressional Budget Justification but the 85-page document that the Mine Safety and Health Administration (MSHA) recently released to justify its FY2011 budget submission to Congress has some interesting information for mine operators. The budget submission reflects the agency’s expected emphasis on health issues and impoundments and references the recently-announced enforcement program for priority standards.

Augusta Announces $32.5 Million Share Offering

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Feb. 23, 2010) - Augusta Resource Corporation (TSX: AZC.TO)(NYSE Amex: AZC) ("Augusta" or the "Company") is pleased to announce that it has entered into an agreement with TD Securities Inc. and Wellington West Capital Markets Inc. as joint lead managers and joint bookrunners, which will include a syndicate of underwriters (collectively, the "Underwriters"), for the issuance of 11,820,000 common shares (the "Shares") of the Company, on a bought deal basis, at a price of Cdn$2.75 per Share for gross proceeds of Cdn$32,505,000.

Denison Mines Arizona 1

Recently the Inspectors from the Arizona Mine Inspectors office made a Health & Safety Inspection of Denison’s Arizona 1 mine. The mine is located north of the Grand Canyon and forty five miles from Fredonia Arizona. ASMI Inspectors discovered the underground uranium mine is now fully permitted and began production mid December of 2009. The mine shaft sunk in the mid 80s was closed and made secure, then after twenty years Uranium mining in Arizona makes a comeback. The hoist, shaft and underground were rehabilitated, starting in late 2007 a ventilation and secondary escape way completed in 2008.

The mining method will be a combination of long hole and shrinkage stoping methods in a breccia type deposit. Current production is set for 340 tons per day, four days a week. The ore is trucked 315 miles to the Denison’s White Mesa mill in Utah for processing.

The other Denison properties in Arizona include the Pinenut which was in production during the 80’s and is in care and maintenance awaiting permits. The Canyon was never fully developed and is a secure site. The Kanab North was mined and closed in the 80’s and is now secure. The EZ1 and EZ2 have not been developed.