deposito di benua timur
Asia
-
-
Afrika
Western Africa
Uganda
Eropah
Austria, Belarus, Romania, Switzerland, United Kingdom
Germany, Hungary, Italy, Spain
lain
-
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil, Kolumbia
Bolivia, Brazil
deposito di oceania benua
Australia
New Zealand, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia