1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
1.1.2 Afrika
Kenya
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
1.1.3 Eropah
Greece, Hungary, Iceland, Italy, Turkey
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
Argentina, Chili, Ekuador, peru
Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula