deposito di benua timur
Asia
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Japan, Oman
Afrika
Western Africa
South Africa
Eropah
Austria, Belarus, Romania, Switzerland, United Kingdom
France, Germany, Italy
lain
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pulau hawaii, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Brazil, Kolumbia
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deposito di oceania benua
Australia
New Zealand, Western Australia
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