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