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