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