1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
India
1.1.2 Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Not Available
1.1.3 Eropah
United Kingdom
Not Available
1.1.4 lain
belum menemukan
antarctica
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
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula
Not Available