deposito di benua timur
Asia
India, Russia
India
Afrika
South Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
Eropah
Germany, Greece, Italy, Scotland, Turkey
Albania, Romania, Scotland, United Kingdom
lain
tanah penggembalaan, mid-Atlantik ridge
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deposito di benua Barat
Amerika Utara
Canada, USA
USA
Amerika Selatan
Bolivia, Brazil, Kolumbia, venezuela
Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
New Zealand, Queensland
Central Australia, Western Australia