Profile: McEwen Mining Inc (MUX)
22 Aug 2014
McEwen Mining Inc. (McEwen Mining), formerly US Gold Corporation, is engaged in the exploration for and production of precious metals in the United States, Mexico and Argentina. McEwen Mining’s operating segments include USA and Mexico. The Company holds an interest in numerous exploration and development stage properties and projects in Nevada, Mexico and Argentina, as well as a 49% equity interest in the gold-silver San Jose Mine in Santa Cruz Province, Argentina. The Company holds interests in approximately 1,631 square miles of mineral concessions in west central Mexico. Its primary property in Mexico is the El Gallo Complex, located in Sinaloa state on the Sierra Madre Trend, a geological area of gold and silver mineralization. The Company holds interests in approximately 254 square miles in Nevada, United States. The Company’s Nevada properties, including its interests in the Gold Bar Project and Tonkin Complex, are located along the Cortez Trend, in north central Nevada. It also owns property, including the Limo Project, on the southern end of the Carlin Trend. On January 24, 2012, it acquired of Minera Andes Inc. (Minera Andes).
On January 24, 2012, the Company acquired a 49% interest in Minera Santa Cruz SA, owner of the San Jose Silver-Gold Mine in Santa Cruz, Argentina; a 100% interest in the Los Azules Copper Deposit in San Juan, Argentina, and a portfolio of exploration properties in Santa Cruz, Argentina. The San Jose Mine is operated by the majority owner of the joint venture, Hochschild Mining plc (Hochschild). The Company holds mineral rights and applications for mineral rights covering approximately 944 square miles in Argentina.
The Tonkin Complex is divided functionally into five areas: the Mine Corridor, Tonkin North, Patty, Keystone and Tweed. The Tonkin Complex represents its holding in the State of Nevada at approximately 93 square miles (241 square kilometers). The Tonkin Complex is located on the Cortez Trend. During the year ended December 31, 2011, the Company drilled one hole, and 2,190 feet reverse circulation drilling. The Tonkin Complex also includes the Patty Project. On October 18, 2011, Barrick Gold U.S. Inc. (Barrick), the former holder of a majority of the project and operator, entered into a joint venture agreement with Rye Patch Gold U.S. Inc. (Rye Patch) under which Rye Patch has the right to acquire a 60% undivided interest in the Patty Project. As of December 31, 2011, it held a non-operating minority interest (12%). The Patty Project is a property (approximately 18.1 square miles) located in the northeast portion of the Tonkin Complex and consists of 544 unpatented mining claims. The 372 claims (included in the 1,478 under US Gold's Historic Tonkin Property) covering the area of the property, Tonkin North were previously owned by unaffiliated parties and held by the Company under a lease agreement. The lease expired on January 1, 2011. In July 2011, it acquired these claims. The Company held an interest of in 106 claims (included in the 156 under Cornerstone) in the Cornerstone property. On July 19, 2011, it acquired the Tonkin North and Cornerstone claims.
Gold Bar Complex
The Gold Bar Complex is located south of the Tonkin Complex on the continuation of the Cortez Trend. In November 2011, the Company announced the completion of a Preliminary Feasibility Study (PFS) by SRK Consulting for the Gold Bar Project. Exploration drilling at the Gold Bar Complex in 2011 totaled approximately 7,245 feet (2,208 meters) in 41 reverse circulation drill holes that were focused on extensions to the Gold Pick-Gold Ridge and Cabin Creek mineralization, as well as targets found by geologic mapping and sampling.
The Gold Pick-Gold Ridge area occurs on the Battle Mountain-Eureka mineral belt in a window of lower-plate carbonate rocks surrounded by upper-plate rocks. The lower-plate carbonates at Gold Pick-Gold Ridge consist of an east-dipping section of Silurian Lone Mountain Dolomite, Devonian McColley Canyon Formation, Devonian Denay Formation, and Devonian Devils Gate Limestone. Northwest-trending and northeast-trending structures cut the area; the Gold Pick mineralization is localized in an apparent northwest-trending horst of McColley Canyon Formation, which is cut by a series of northeast-trending structures.
The Limo Property is located in east-central Nevada. The Limo Property position totals approximately 44.5 square miles (115 square kilometers). Gold mineralization has been identified in numerous places along the 15 mile (24 kilometers) length of the property. Exploration drilling at the Limo Property in 2011 totaled approximately 59,157 ft. (18,031 meters) in 10 diamond drill core holes and 70 reverse circulation drill holes. The drilling was focused on two targets, Cadillac and Continental, outside the existing mineralization. The mineral interests controlled by the Company at the Limo property consist of 1,392 contiguous claims that cover approximately 44.5 square miles (115 square kilometers), plus 15 claims (for a total of 1,407) near the southern boundary of the property that were acquired through a lease in August 2011. Its land package extends for about 15 miles (24 kilometers), and covers the western side of the southern Cherry Creek Range.
Battle Mountain Complex
The Battle Mountain Complex is located within Humboldt and Lander Counties in the valleys and on the flanks of the mountains surrounding Battle Mountain on the Cortez Trend north of our Tonkin complex. Battle Mountain, Nevada. In 2011, exploration drilling in the Battle Mountain Complex totaled 2,205 feet (672 meters). Work during 2011, also included geologic mapping, soil and rock sampling. Results of this work identified two target areas, Medea and Lucky Strike, on its BMX property. Three holes were drilled on the Medea prospect during 2011.
Other United States Properties
The Company acquired additional mineral properties in Nevada. The mineral properties included in the acquisition of Tone (Roberts Creek, Kobeh, Gold Bar North, South Keystone, Big Antelope Springs, Red Ridge, Fish Creek and Kent Springs) are generally subject to a 1% net smelter return royalty interest in favor of KM Exploration Ltd. Certain properties (Roberts Creek, Kobeh, Gold Bar North, South Keystone and Big Antelope Springs) are also subject to earn-in rights in favor of Teck Cominco American Incorporated (Teck).
On July 1, 2011, its Company and Select Resources Corporation, Inc. (Select) signed a four-year Exploration Lease and Purchase Option Definitive Agreement (the Definitive Agreement) with respect to the Richardson Mineral Project (Richardson) in the Tintina Gold Belt of Alaska. Under the terms of the Definitive Agreement, it acquired an exploration lease for the Richardson project, and an exclusive option to purchase a 60% interest in the project and enter into a joint venture with Select. The Richardson project is located 70 miles (115 kilometers) southeast of Fairbanks, Alaska, and covers an area of approximately 52 square miles (136 square kilometers). Extensive field sampling and mapping, airborne geophysics, and three core holes were completed in 2011. Drilling at the Richardson Project in Alaska during 2011, included three holes and 2, 863 feet core drilling.
The Company has a property in Mexico, called the El Gallo Complex, which includes the El Gallo, Magistral, and Palmarito deposits in Sinaloa state. The Company control mineral concessions of approximately 1,631 square miles (4,224 square kilometers) located in the Mexican states of Sinaloa and Nayarit. It holds its interests through ownership of Pangea Resources Inc., which in turn holds 100% ownership of Compania Minera Pangea S.A. de C.V. (Minera Pangea). The El Gallo Complex is located in Sinaloa state, northwestern Mexico in Mocorito Municipality. The El Gallo Complex is being developed in two phases. The El Gallo Project lies within two of its controlled concessions, Rocio Fraccion A and Pangea. These concessions have an area of 86,764 acres and 3,946 acres respectively. It controls the properties immediately surrounding El Gallo. Exploration work completed in 2011 at El Gallo consisted of core and conventional rotary drilling. The mineralization at the Magistral Mine Property is classified as a low-sulfidation epithermal gold-silver mineral system. During 2011, 203 core holes were drilled for a total of 88,891 feet (26,088 meters).
Other Exploration Areas
During 2011, it drill-tested a number of prospective exploration targets throughout the El Gallo district, which resulted in the discovery of four new veins. Three veins, Los Mautos, Mina Grande, and Haciendita were all located six miles (10 kilometers) north of El Gallo, and the fourth vein, San Dimas, is located 6 miles (10 kilometers) south of El Gallo.
McEwen Mining Inc
150 KING STREET WEST, SUITE 2800
TORONTO ON M5H 1J9