deposito di benua timur
Asia
Japan, Oman
Afghanistan, Indonesia, Japan, Russia
Afrika
South Africa
Kenya
Eropah
France, Germany, Italy
Greece, Hungary, Iceland, Italy, Turkey
lain
pulau hawaii, mid-Atlantik ridge
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deposito di benua Barat
Amerika Utara
Canada, USA
Canada, Mexico, USA
Amerika Selatan
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Argentina, Chili, Ekuador, peru
deposito di oceania benua
Australia
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New Zealand