deposito di benua timur
Asia
China, India, Kazakhstan, Mongolia, Russia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Namibia, Nigeria, South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Bulgaria, England, Germany, Norway, Romania, Switzerland
lain
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deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil, venezuela
Brazil, Chili
deposito di oceania benua
Australia
New South Wales, New Zealand
New Zealand, Queensland, South Australia, Western Australia