1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Rwanda, Tanzania
Egypt, Ethiopia, South Africa
1.1.3 Eropah
Not Yet Found
France, Greece, Iceland
1.1.4 lain
pulau hawaii
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 Yet Found
New Zealand