deposito di benua timur
Asia
Russia
-
Afrika
-
Uganda
Eropah
Ukraine
Germany, Hungary, Italy, Spain
lain
-
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil
Bolivia, Brazil
deposito di oceania benua
Australia
Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia