Asia
Japan, Oman
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Afrika
South Africa
Namibia, Nigeria, South Africa
Eropah
France, Germany, Italy
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
lain
pulau hawaii, mid-Atlantik ridge
tanah penggembalaan
Amerika Utara
Canada, USA
Canada, USA
deposito di oceania benua
Australia
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New South Wales, New Zealand