1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
India, Pakistan, Russia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
Ethiopia, Kenya, Morocco, South Africa
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
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
Kolumbia, Ekuador, peru
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, Victoria, Western Australia
New South Wales, Queensland, South Australia, Western Australia