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