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About MAG Silver Corp.
MAG Silver Corp. is focused on district scale projects located within the Mexican Silver Belt. Our mission is to become one of the premier companies in the silver mining industry. MAG is conducting ongoing exploration of its portfolio of 100% owned properties in Mexico including a silver, lead and zinc discovery and a moly-gold discovery at its 100% owned Cinco de Mayo Property in Chihuahua State. As well, MAG and Fresnillo plc are jointly developing the Valdecañas Deposit on the Juanicipio Joint Venture in Zacatecas State.
MAG and Fresnillo plc recently jointly approved and announced an independent updated resource estimate on the Juanicipio Property by Strathcona Mineral Services Limited (see news release dated November 10, 2011). This NI 43-101 compliant resource is now being used by AMC Mining Consultants (Canada) Ltd. to complete a NI 43-101 compliant updated preliminary economic assessment, expected to be completed in first quarter of 2012. This study will mark an important milestone in moving the Juanicipio project to the next level.
Indicated Mineral Resources are estimated to total 5.7 million tonnes at 702 g/t (22.6 opt) silver, 1.9 g/t gold, 2.2% lead, and 4.2% zinc. Total contained metals in the Indicated Resource are 128 million ounces of silver, 346,000 ounces of gold, 268 million pounds of lead, and 521 million pounds of zinc. Almost 64% of the total ounces are now classified as Indicated and these lie exclusively in the Valdecañas Vein.
At the same silver cut-off value of 100 g/t, Inferred Mineral Resources are estimated to total 4.3 million tonnes at 513 g/t (16.5 opt) silver, 1.4 g/t gold, 1.6% lead, and 3.0% zinc. The Inferred Resources contain an additional 71 million ounces of silver, 192,000 ounces of gold, 152 million pounds of lead, and 280 million pounds of zinc. Approximately 36% of the total silver ounces are now classified as Inferred and are contained within the Valdecañas Vein, the Footwall (Desprendido) Vein and the Juanicipio Vein (see Table in news release dated November 10, 2011). http://www.magsilver.com/s/NewsReleases.asp?ReportID=490128
Table 1: Strathcona Mineral Services, Juanicipio Joint Venture Resource Estimate - All Veins as of June 2011.
| Vein / Classification | Tonnes (millions) |
Silver (g/t) |
Silver (million Ounces) |
Gold (g/t) |
Lead (%) |
Zinc (%) |
|---|---|---|---|---|---|---|
| Valdecaņas / Indicated | 5.7 | 702 | 128 | 1.9 | 2.2 | 4.2 |
| Valdecaņas / Inferred | 2.0 | 459 | 30 | 2.0 | 1.6 | 3.1 |
| Foot Wall (Desprendido) / Inferred |
1.8 | 540 | 31 | 0.9 | 1.8 | 3.2 |
| Juanicipio / Inferred | 0.5 | 638 | 10 | 0.8 | 0.9 | 1.7 |
| Total Indicated | 5.7 | 702 | 128 | 1.9 | 2.2 | 4.2 |
| Total Inferred | 4.3 | 513 | 71 | 1.4 | 1.6 | 3.0 |
(Refer to Nov. 10 News Release)
MAG Fact Sheet January 2012
Highlights
April 2012 Presentation |
 New 3D Video of Cinco de Mayo Property |
New 3D Video of Juanicipio JV Property |
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