Afrika
South Africa
Uganda
Eropah
Germany, Greece, Italy, Scotland, Turkey
Germany, Hungary, Italy, Spain
lain
tanah penggembalaan
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil, Kolumbia, venezuela
Bolivia, Brazil
deposito di oceania benua
Australia
New Zealand, Queensland
New South Wales, New Zealand, Queensland, South Australia, Western Australia