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