1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
China, India, Turkey
1.1.2 Afrika
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
Not Yet Found
1.1.3 Eropah
United Kingdom
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
1.1.4 lain
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 Yet Found