deposito di benua timur
Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
South Africa, Western Africa
Eropah
United Kingdom
United Kingdom
lain
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deposito di benua Barat
Amerika Utara
USA
Canada
Amerika Selatan
Kolumbia
Brazil, Kolumbia, Paraguai
deposito di oceania benua
Australia
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
Central Australia, Western Australia