deposito di benua timur
Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
India, Russia
Afrika
South Africa, Western Africa
South Africa
Eropah
United Kingdom
Germany, Greece, Italy, Scotland, Turkey
lain
-
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada
Canada, USA
Amerika Selatan
Brazil, Kolumbia, Paraguai
Bolivia, Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
Central Australia, Western Australia
New Zealand, Queensland