1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Russia
Bangladesh, China, India, Russia
1.1.2 Afrika
South Africa, Western Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Not Yet Found
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
1.1.4 lain
belum menemukan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, Western Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia