deposito di benua timur
Asia
India, Russia
India, Russia
Afrika
South Africa
South Africa
Eropah
Germany, Greece, Italy, Scotland, Turkey
Germany, Greece, Italy, Scotland, Turkey
lain
tanah penggembalaan, mid-Atlantik ridge
tanah penggembalaan
deposito di benua Barat
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
New Zealand, Queensland
New Zealand, Queensland