Afrika
South Africa, Tanzania
Ethiopia, Ghana, Western Africa
Eropah
Germany, Greece, Italy, Scotland, Turkey
England
lain
antarctica, tanah penggembalaan
belum menemukan
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Argentina, Brazil, Kolumbia, venezuela
Argentina, Bolivia, uruguay
deposito di oceania benua
Australia
Central Australia, New Zealand, Queensland, Western Australia
Central Australia, South Australia, Western Australia