deposito di benua timur
Asia
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China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Uganda
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Eropah
Germany, Hungary, Italy, Spain
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland
lain
tanah penggembalaan, mid-Atlantik ridge
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deposito di benua Barat
Amerika Utara
USA
Canada, USA
Amerika Selatan
Bolivia, Brazil
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deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
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