Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Russia, Turkey
Afrika
Namibia, Nigeria, South Africa
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Germany, Greece, Iceland, Norway, Poland
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Brazil
Brazil
deposito di oceania benua
Australia
New South Wales, New Zealand
South Australia, Western Australia