deposito di benua timur
Asia
Japan, Oman
Russia
Afrika
South Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Eropah
France, Germany, Italy
England, Hungary, Iceland, United Kingdom
lain
pulau hawaii, mid-Atlantik ridge
antarctica, tanah penggembalaan
deposito di benua Barat
Amerika Utara
Canada, USA
Canada, Mexico, USA
Amerika Selatan
-
Argentina, Kolumbia, Ekuador
deposito di oceania benua
Australia
-
New South Wales, New Zealand, Queensland, South Australia, Western Australia