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