deposito di benua timur
Asia
China, India
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Afrika
Morocco, Namibia
South Africa, Western Africa
Eropah
Austria, Italy, Romania, Spain, Switzerland
United Kingdom
lain
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deposito di benua Barat
Amerika Utara
Mexico, USA
Canada
Amerika Selatan
Brazil, Kolumbia
Brazil, Kolumbia, Paraguai
deposito di oceania benua
Australia
New South Wales, Queensland, Yorke Peninsula
Central Australia, Western Australia