deposito di benua timur
Asia
India, Russia
China, India, Indonesia, Russia, Singapore, South Korea
Afrika
South Africa
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Eropah
Germany, Greece, Italy, Scotland, Turkey
Albania, France, Germany, Great Britain, United Kingdom
lain
tanah penggembalaan, mid-Atlantik ridge
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deposito di benua Barat
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
Brazil, Kolumbia, Ekuador
deposito di oceania benua
Australia
New Zealand, Queensland
New South Wales, South Australia, Western Australia