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SUBSEQUENT EVENTS	12 Months Ended
	Dec. 31, 2011
SUBSEQUENT EVENTS
SUBSEQUENT EVENTS	NOTE 16 SUBSEQUENT EVENTS Amended and Restated Equity Incentive Plan and Second Amended and Restated Articles of Incorporation         On January 19, 2012, at a special meeting of shareholders, the Company's shareholders approved the amendments to the Equity Incentive Plan to, among other things, increase the number of shares of common stock reserved for issuance thereunder from 9 million to 13.5 million shares.         At the January 19, 2012 special meeting, the shareholders approved the Second Amended and Restated Articles of Incorporation which, among other things, increased the authorized capital to 500,000,000 shares of common stock and one share of Series B Special Voting Preferred Stock. Completion of Business Combination with Minera Andes Inc.—January 24, 2012         On January 24, 2012, the Company completed through a court-approved plan of arrangement under Alberta law, the acquisition of Minera Andes Inc. ("the Arrangement"), under which Minera Andes became an indirect wholly-owned subsidiary of the Company. On the closing date of the Arrangement, holders of Minera Andes' common stock received a number of exchangeable shares of McEwen Mining-Minera Andes Acquisition Corp. ("2012—Exchangeable Shares"), an indirect wholly-owned Canadian subsidiary of the Company, equal to the number of Minera Andes shares, multiplied by the exchange ratio of 0.45. In the aggregate, Minera Andes shareholders received 127,331,498 2012—Exchangeable Shares. After closing of the Arrangement, the name of the Company was changed to McEwen Mining Inc. As a result of the Arrangement, the combined company will be held approximately 52% by existing McEwen Mining shareholders and 48% by former Minera Andes shareholders. The Company's common stock began trading on the NYSE and TSX under the symbol "MUX" on January 27, 2012 and the 2012—Exchangeable Shares began trading on the TSX under the symbol "MAQ".         Robert R. McEwen, the Company's Chairman, President, Chief Executive Officer and largest shareholder and also the Chairman, President, Chief Executive Officer and largest shareholder of Minera Andes, proposed the Arrangement in 2011. In connection with the Arrangement, Mr. McEwen received approximately 38.7 million 2012—Exchangeable Shares.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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