deposito di benua timur
Asia
-
China, India
Afrika
Uganda
Namibia
Eropah
Germany, Hungary, Italy, Spain
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, South Australia, Western Australia
New South Wales, New Zealand, Queensland, Victoria