deposito di benua timur
Asia
Cambodia, Russia, South Korea
-
Afrika
East Africa
Uganda
Eropah
England, Germany, Hungary, Iceland, Scotland, Sweden
Germany, Hungary, Italy, Spain
lain
pulau hawaii
tanah penggembalaan, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
USA
USA
Amerika Selatan
-
Bolivia, Brazil
deposito di oceania benua
Australia
Victoria
New South Wales, New Zealand, Queensland, South Australia, Western Australia