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