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