1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
Bangladesh, China, India, Russia
1.1.2 Afrika
Morocco, Namibia
Ethiopia, Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
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
Brazil, Kolumbia
Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand, Queensland, Victoria, Western Australia