deposito di benua timur
Asia
Bangladesh, China, India, Russia
Japan, Oman
Afrika
Ethiopia, Kenya, Morocco, South Africa, Tanzania
South Africa
Eropah
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
France, Germany, Italy
lain
-
pulau hawaii, mid-Atlantik ridge
deposito di benua Barat
Amerika Utara
USA
Canada, USA
Amerika Selatan
Bolivia, Chili, Kolumbia, Ekuador, peru, venezuela
-
deposito di oceania benua
Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia
-