deposito di benua timur
Asia
Russia, Turkey
India, Russia
Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
South Africa
Eropah
Germany, Greece, Iceland, Norway, Poland
Germany, Greece, Italy, Scotland, Turkey
lain
-
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Brazil
Bolivia, Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
South Australia, Western Australia
New Zealand, Queensland