deposito di benua timur
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Japan, Oman
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
South Africa
Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
France, Germany, Italy
lain
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pulau hawaii, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
USA
Canada, USA
Amerika Selatan
Brazil, Chili
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deposito di oceania benua
Australia
New Zealand, Queensland, South Australia, Western Australia
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