Asia
India, Russia
China, India
Afrika
South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria
Eropah
Germany, Greece, Italy, Scotland, Turkey
Germany, Iceland, Ireland, Italy, Spain, United Kingdom
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Brazil, Kolumbia, venezuela
Argentina, Bolivia, Brazil, Kolumbia, Ekuador
deposito di oceania benua
Australia
New Zealand, Queensland
Central Australia, Queensland, Western Australia