1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
1.1.2 Afrika
Namibia
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
1.1.3 Eropah
Italy, Spain
Albania, Romania, Scotland, United Kingdom
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
Brazil, Kolumbia, venezuela
1.3 deposito di oceania benua
1.3.1 Australia
New South Wales, New Zealand, Queensland, Victoria
Central Australia, Western Australia