deposito di benua timur
Asia
China, India
India, Russia
Afrika
Morocco, Namibia
South Africa
Eropah
Austria, Italy, Romania, Spain, Switzerland
Germany, Greece, Italy, Scotland, Turkey
lain
-
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Mexico, USA
Canada, USA
Amerika Selatan
Brazil, Kolumbia
Bolivia, Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
New South Wales, Queensland, Yorke Peninsula
New Zealand, Queensland