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