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