deposito di benua timur
Asia
-
-
Afrika
Uganda
-
Eropah
Germany, Hungary, Italy, Spain
France, Greece, Romania, Scotland, Spain
lain
tanah penggembalaan, mid-Atlantik ridge
-
deposito di benua Barat
Amerika Utara
USA
USA
Amerika Selatan
Bolivia, Brazil
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New Zealand, South Australia, Western Australia