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