1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Indonesia, Russia, Singapore, South Korea
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
1.1.2 Afrika
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
1.1.3 Eropah
Albania, France, Germany, Great Britain, United Kingdom
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, Ekuador
Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, South Australia, Western Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula