Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Russia, South Korea
Afrika
Namibia, Nigeria, South Africa
Western Africa
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
United Kingdom
lain
tanah penggembalaan
-
Amerika Utara
Canada, USA
USA
deposito di oceania benua
Australia
New South Wales, New Zealand
Central Australia, Western Australia