deposito di benua timur
Asia
China, India
-
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Uganda
Eropah
Germany, Iceland, Ireland, Italy, Spain
Germany, Hungary, Italy, Spain
lain
-
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
Bolivia, Brazil
deposito di oceania benua
Australia
New Zealand, Queensland, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia