deposito di benua timur
Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
India
Afrika
Kenya, Morocco, South Africa, Tanzania
East Africa, Western Africa
Eropah
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
England, Romania, Scotland
lain
tanah penggembalaan, mid-Atlantik ridge
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deposito di benua Barat
Amerika Utara
Canada, Mexico, USA
Canada, USA
Amerika Selatan
Bolivia, Brazil
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deposito di oceania benua
Australia
New South Wales, Queensland, South Australia, Western Australia
Central Australia, Western Australia