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