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