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