Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Japan, Turkey
Afrika
Namibia, Nigeria, South Africa
Egypt, Ethiopia, South Africa
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Poland, Sweden, Switzerland, United Kingdom
France, Greece, Iceland
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil
belum menemukan
deposito di oceania benua
Australia
New South Wales, New Zealand, Western Australia
New Zealand