deposito di benua timur
Asia
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China, India, Turkey
Afrika
Uganda
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Eropah
Germany, Hungary, Italy, Spain
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
lain
tanah penggembalaan, mid-Atlantik ridge
arktik
deposito di benua Barat
Amerika Utara
USA
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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