Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
-
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
-
Amerika Selatan
Brazil
Brazil, Kolumbia, Ekuador
deposito di oceania benua
Australia
New South Wales, New Zealand
Central Australia, Western Australia