Manganese Deposits of the Talamantes District Near Parral, Chihuahua, Mexico
Description:
From abstract: The Talamantes district, 20 kilometers east of Parral in southern Chihuahua, has been the second largest producer of manganese ore in Mexico. Production, which started during World War I and has been more or less continuous since 1930, has totaled about 50,000 tons of ore with an average manganese content of 40 or 41 percent. The mines are on the Mesa de Talamantes, which is underlain by folded Cretaceous (?) limestone, overlain unconformably by gently dipping Tertiary rhyolite f…
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Date:
1948
Creator:
Wilson, Ivan F. & Rocha, Victor S.
Item Type:
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Report
Partner:
UNT Libraries Government Documents Department