deposito di benua timur
Asia
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India, Russia
Afrika
Uganda
South Africa
Eropah
Germany, Hungary, Italy, Spain
Iceland
lain
tanah penggembalaan, mid-Atlantik ridge
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deposito di benua Barat
Amerika Utara
USA
Canada, USA
Amerika Selatan
Bolivia, Brazil
Brazil
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
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