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