deposito di benua timur
Asia
India
Japan, Oman
Afrika
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
South Africa
Eropah
Albania, Romania, Scotland, United Kingdom
France, Germany, Italy
lain
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pulau hawaii, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
USA
Canada, USA
Amerika Selatan
Brazil, Kolumbia, venezuela
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deposito di oceania benua
Australia
Central Australia, Western Australia
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