deposito di benua timur
Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
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Afrika
Kenya, Morocco, South Africa, Tanzania
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Eropah
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
United Kingdom
lain
tanah penggembalaan, mid-Atlantik ridge
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deposito di benua Barat
Amerika Utara
Canada, Mexico, USA
USA
Amerika Selatan
Bolivia, Brazil
Kolumbia, Paraguai
deposito di oceania benua
Australia
New South Wales, Queensland, South Australia, Western Australia
Central Australia, Western Australia