Depozite în Continente de Est
Asia
Bangladesh, China, India, Russia
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Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
Uganda
Europa
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Germany, Hungary, Italy, Spain
Alții
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Groenlanda, Dorsalei-atlantica
Depozite în Continente de Vest
America de Nord
Canada, Panama, USA
USA
America de Sud
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Bolivia, Brazil
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia