deposito di benua timur
Asia
India, Russia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Eropah
Germany, Greece, Italy, Scotland, Turkey
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
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
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deposito di oceania benua
Australia
New Zealand, Queensland
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