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
Uganda
Eropah
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
Germany, Hungary, Italy, Spain
lain
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tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
-
Bolivia, Brazil
deposito di oceania benua
Australia
-
New South Wales, New Zealand, Queensland, South Australia, Western Australia