Mineral Exploration and Extraction

Producer of chemical grade limestone, dolomite and construction aggregates.

Listed company involved in the exploration, development and operation of gold and copper mines. Includes profile and information on operations, hedging, sustainability, careers, strategy, overviews and reports.

Marine Diamonds Exploration and Evaluation off Southern Africa, 1963-1965 by Ocean Science and Engineering on behalf of De Beers

Extract and supply china clays, kaolins, and aggregates. Based in Cornwall, United Kingdom with facilities for worldwide distribution .

Mines and manufactures Chinese attapulgite products for both domestic and export markets. Includes technical data sheets .

Production, research, and distribution of bentonite.

World’s largest primary silver producer and a significant, low-cost gold producer.

Mines and processes silver and gold , with properties and plants in the United States, Mexico and Venezuela.

Producer, marketer and shipper of petroleum coke, coal, metallurgical coke, gypsum, and limestone.

Explores for natural resource property, primarily gold properties. (Nasdaq: MPVI).

Focused exclusively on silver, has mine in Peru, and has commenced development of new silver mines in Mexico and Russia.