Asia
Japan, Oman
Afghanistan, Indonesia, Japan, Russia
Afrika
South Africa
Ethiopia, Kenya, Tanzania
Eropah
France, Germany, Italy, Venezuela
Greece, Hungary, Iceland, Italy, Turkey
lain
pulau hawaii, mid-Atlantik ridge
belum menemukan
Amerika Utara
Canada, USA
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Amerika Selatan
belum menemukan
Argentina, Chili, Ekuador, peru
deposito di oceania benua
Australia
Not Yet Found
New Zealand, Western Australia