deposito di benua timur
Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Eropah
United Kingdom
Bulgaria, England, Germany, Norway, Romania, Switzerland
lain
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deposito di benua Barat
Amerika Utara
USA
USA
Amerika Selatan
Kolumbia
Brazil, Chili
deposito di oceania benua
Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
New Zealand, Queensland, South Australia, Western Australia