1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
1.1.2 Afrika
South Africa, Western Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
1.1.3 Eropah
United Kingdom
England, France, Germany, Spain, United Kingdom
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Kolumbia, Paraguai
Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula