deposito di benua timur
Asia
Japan
China, India
Afrika
Rwanda, Tanzania
Morocco, Namibia
Eropah
-
Austria, Italy, Romania, Spain, Switzerland
lain
pulau hawaii
-
deposito di benua Barat
Amerika Utara
Canada, USA
Mexico, USA
Amerika Selatan
Kolumbia
Brazil, Kolumbia
deposito di oceania benua
Australia
-
New South Wales, Queensland, Yorke Peninsula