deposito di benua timur
Asia
-
India, Russia
Afrika
Namibia, Uganda
South Africa
Eropah
Germany, Hungary, Italy, Portugal, Spain
Germany, Greece, Italy, Scotland, Turkey
lain
-
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, Western Australia
New Zealand, Queensland