Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Afghanistan, Indonesia, Japan, Russia
Afrika
Namibia, Nigeria, South Africa
Ethiopia, Kenya, Tanzania
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Greece, Hungary, Iceland, Italy, Turkey
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Amerika Selatan
Brazil
Argentina, Chili, Ekuador, peru
deposito di oceania benua
Australia
New South Wales, New Zealand
New Zealand, Western Australia