deposito di benua timur
Asia
Japan, Oman
India, Russia
Afrika
South Africa
Ethiopia, Somalia, South Africa
Eropah
France, Germany, Italy
Iceland
lain
pulau hawaii, mid-Atlantik ridge
-
deposito di benua Barat
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
-
Brazil
deposito di oceania benua
Australia
-
-