1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India
China, India, Turkey
1.1.2 Afrika
Morocco, Namibia
Not Yet Found
1.1.3 Eropah
Austria, Italy, Romania, Spain, Switzerland
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
1.1.4 lain
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
New South Wales, Queensland, Yorke Peninsula
Not Yet Found