Asia
India, Russia
Afghanistan, Indonesia, Japan, Russia
Afrika
South Africa
Kenya
Eropah
Germany, Greece, Italy, Scotland, Turkey
Greece, Hungary, Iceland, Italy, Turkey
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
Canada, Mexico, USA
Amerika Selatan
Brazil, Kolumbia, venezuela
Argentina, Chili, Ekuador, peru
deposito di oceania benua
Australia
New Zealand, Queensland
New Zealand