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