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