deposito di benua timur
Asia
South Korea
Japan, Oman
Afrika
Western Africa
South Africa
Eropah
Great Britain, Switzerland
France, Germany, Italy
lain
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pulau hawaii, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
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Canada, USA
Amerika Selatan
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deposito di oceania benua
Australia
Central Australia, Western Australia
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