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