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