1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
1.1.2 Afrika
East Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
1.1.3 Eropah
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
1.3 deposito di oceania benua
1.3.1 Australia
Queensland
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula