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