deposito di benua timur
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India, Pakistan, Russia
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Ethiopia, Kenya, Morocco, South Africa
Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
lain
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-
deposito di benua Barat
Amerika Utara
USA
USA
Amerika Selatan
Brazil, Chili
Kolumbia, Ekuador, peru
deposito di oceania benua
Australia
New Zealand, Queensland, South Australia, Western Australia
New South Wales, Victoria, Western Australia