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