deposito di benua timur
Asia
China, India, Indonesia, Russia, Singapore, South Korea
Japan, Oman
Afrika
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
South Africa
Eropah
Albania, France, Germany, Great Britain, United Kingdom
France, Germany, Italy
lain
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pulau hawaii, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
Brazil, Kolumbia, Ekuador
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deposito di oceania benua
Australia
New South Wales, South Australia, Western Australia
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