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STOCK-BASED COMPENSATION (Tables) | 9 Months Ended
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Sep. 30, 2012
STOCK-BASED COMPENSATION |
Schedule of principal assumptions used in applying the Black-Scholes option pricing model for the awards |
|  | Three Months Ended |  | Nine Months Ended |
|  | September 30, 2012 |  | September 30, 2011 |  | September 30, 2012 |  | September 30, 2011 |
Risk-free interest rate |  | — |  | — |  | 0.97% |  | 1.82% to 2.33% |
Dividend yield |  | — |  | — |  | n/a |  | n/a |
Volatility factor of the expected market price of common stock |  | — |  | — |  | 75% |  | 90% to 100% |
Weighted-average expected life of option |  | — |  | — |  | 6.0 years |  | 6.6 years |
Weighted-average grant date fair value |  | — |  | — |  | $3.80 |  | $4.97 |
Nevada Pacific Gold Ltd. |
Stock options outstanding and exercisable |
Summary of information about stock options outstanding and exercisable |
|  | Options Outstanding |  | Options Exercisable |
|  |  |  |  |  | Weighted |  |  |  |  |  | Weighted |
|  |  |  | Weighted |  | Average |  |  |  | Weighted |  | Average |
|  |  |  | Average |  | Remaining |  |  |  | Average |  | Remaining |
Range of |  | Number |  | Exercise |  | Contractual |  | Number |  | Exercise |  | Contractual |
Exercise Price |  | Outstanding |  | Price |  | Life (Years) |  | Exercisable |  | Price |  | Life (Years) |
C$0.00-C$5.00 |  | 271,543 |  | C$ | 4.54 |  | 3.51 |  | 271,543 |  | C$ | 4.54 |  | 3.51 |
C$5.01-C$6.70 |  | 123,050 |  | C$ | 5.96 |  | 2.26 |  | 123,050 |  | C$ | 5.96 |  | 2.26 |
Minera Andes |
Stock options outstanding and exercisable |
Summary of information about stock options outstanding and exercisable |
|  | Options Outstanding |  | Options Exercisable |
|  |  |  |  |  | Weighted |  |  |  |  |  | Weighted |
|  |  |  | Weighted |  | Average |  |  |  | Weighted |  | Average |
|  |  |  | Average |  | Remaining |  |  |  | Average |  | Remaining |
Range of |  | Number |  | Exercise |  | Contractual |  | Number |  | Exercise |  | Contractual |
Exercise Price |  | Outstanding |  | Price |  | Life (Years) |  | Exercisable |  | Price |  | Life (Years) |
C$0.00-C$2.22 |  | 220,500 |  | C$ | 1.67 |  | 1.33 |  | 220,500 |  | C$ | 1.67 |  | 1.33 |
C$2.23-C$3.02 |  | 525,150 |  | C$ | 2.40 |  | 2.31 |  | 377,101 |  | C$ | 2.45 |  | 2.19 |
McEwen Mining |
Stock options outstanding and exercisable |
Summary of information about stock options outstanding and exercisable |
|  | Options Outstanding |  | Options Exercisable |
|  |  |  |  |  | Weighted |  |  |  |  |  | Weighted |
|  |  |  | Weighted |  | Average |  |  |  | Weighted |  | Average |
|  |  |  | Average |  | Remaining |  |  |  | Average |  | Remaining |
Range of |  | Number |  | Exercise |  | Contractual |  | Number |  | Exercise |  | Contractual |
Exercise Price |  | Outstanding |  | Price |  | Life (Years) |  | Exercisable |  | Price |  | Life (Years) |
$0.00-$2.00 |  | 1,339,000 |  | $ | 1.05 |  | 6.19 |  | 1,339,000 |  | $ | 1.05 |  | 6.19 |
$2.01-$4.00 |  | 1,030,800 |  | $ | 2.57 |  | 6.05 |  | 827,467 |  | $ | 2.59 |  | 5.73 |
$4.01-$6.00 |  | 366,500 |  | $ | 5.66 |  | 8.49 |  | 66,500 |  | $ | 5.01 |  | 4.70 |
$6.01-$8.31 |  | 886,333 |  | $ | 7.17 |  | 8.19 |  | 331,664 |  | $ | 7.28 |  | 7.74 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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