| Risk and valuation analysis of the Dolores Mine |
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| Title(s) of the Dolores Mine |
 | Pan American Silver Corp.
Owner: 100% |
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| Title | Company Profile | All Projects | Company website | Company project page |
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| Minefinders, through its wholly owned Mexican subsidiary Compania Minera Dolores,
S.A. de C. V. (CMD), directly owns the Dolores and Silvia concessions and the remaining seven concessions
that as of April 10, 2006 were combined into one comprehensive concession entitled the Unificacion Real
Cananea (Title No. 227028 covering 1,920 hectares with expiry date of December 12, 2039). |
 | Royal Gold Inc.
Net Smelter Return: 2% |
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| Title | Company Profile | All Projects | Company website | Company project page |
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| Royal Gold (ex Battle Mountain) has a 3.25 percent NSR royalty on gold production and 2.0 percent NSR royalty on silver production from
the Dolores project. |
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| Location of the Dolores Mine |
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The Dolores mine is an open pit gold and silver mine located in northern Mexico, in the State of Chihuahua, approximately 155 miles west of the city of Chihuahua.
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| History of the Dolores Mine |
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Mining in the Dolores region started in the 1800's. Mechanized production occurred between 1915 and 1929,
with no records of any production since that time. Incomplete mining records from 1922 to 1931 indicate that
total production during this time was about 372,000 tonnes of ore containing over 116,000 ounces of gold and
6 million ounces of silver.
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| Geology of the Dolores Mine |
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The Dolores gold-silver deposit in the Sierra Madre Occidental is a low- to medium-sulfidation epithermal
deposit hosted in andesite volcanic rocks of the Lower Volcanic Series of Tertiary age. Mineralization is
present in a NNW-striking, steeply-d more...
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