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