deposito di benua timur
Asia
India, Saudi Arabia, Singapore, South Korea
-
Afrika
Ethiopia, Western Africa
Uganda
Eropah
England, Georgia, Switzerland, United Kingdom
Germany, Hungary, Italy, Spain
lain
-
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada
USA
Amerika Selatan
Kolumbia
Bolivia, Brazil
deposito di oceania benua
Australia
Central Australia, New South Wales, New Zealand, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia