Depozite în Continente de Est
Asia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Africa
Cameroon, East Africa, Tanzania, Western Africa
Kenya, Morocco, South Africa, Tanzania
Europa
United Kingdom
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Alții
-
Groenlanda, Dorsalei-atlantica
Depozite în Continente de Vest
America de Nord
Canada, USA
Canada, Mexico, USA
America de Sud
Bolivia, Brazil, Colombia, Ecuador
Bolivia, Brazil
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, Western Australia
New South Wales, Queensland, South Australia, Western Australia