deposito di benua timur
Asia
Japan, Oman
China, India
Afrika
South Africa
Namibia
Eropah
France, Germany, Italy
Italy, Spain
lain
pulau hawaii, mid-Atlantik ridge
-
deposito di benua Barat
Amerika Utara
Canada, USA
-
Amerika Selatan
-
-
deposito di oceania benua
Australia
-
New South Wales, New Zealand, Queensland, Victoria