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