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