1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Not Yet Found
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
Not Yet Found
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
France, Greece, Romania, Scotland, Spain
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
1.1.4 lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Argentina, Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, South Australia, Western Australia
New South Wales, Queensland, South Australia, Western Australia