deposito di benua timur
Asia
Russia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
South Africa, Western Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Eropah
-
Bulgaria, England, Germany, Norway, Romania, Switzerland
lain
-
-
deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
-
Brazil, Chili
deposito di oceania benua
Australia
Central Australia, Western Australia
New Zealand, Queensland, South Australia, Western Australia