deposito di benua timur
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Russia, South Korea
Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Western Africa
Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
United Kingdom
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
Central Australia, Western Australia