Asia
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Afrika
Kenya, Morocco, South Africa, Tanzania
South Africa, Western Africa
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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Amerika Utara
Canada, Mexico, USA
Canada
Amerika Selatan
Bolivia, Brazil
Brazil, Kolumbia, Paraguai
deposito di oceania benua
Australia
New South Wales, Queensland, South Australia, Western Australia
Central Australia, Western Australia