Asia
India, Russia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Afrika
South Africa
South Africa, Western Africa
Eropah
Germany, Greece, Italy, Scotland, Turkey
United Kingdom
lain
tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
Canada
Amerika Selatan
Brazil, Kolumbia, venezuela
Brazil, Kolumbia, Paraguai
deposito di oceania benua
Australia
New Zealand, Queensland
Central Australia, Western Australia