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