Asia
China, India, Indonesia, Saudi Arabia, South Korea
Japan, Oman
Afrika
Eritrea, Ethiopia, Ghana, South Africa, Western Africa
South Africa
Eropah
England, Finland, France, Germany, Great Britain, Greece, United Kingdom
France, Germany, Italy, Venezuela
lain
belum menemukan
pulau hawaii, mid-Atlantik ridge
Amerika Utara
USA
Canada, USA
Amerika Selatan
belum menemukan
belum menemukan
deposito di oceania benua
Australia
Central Australia, Western Australia
Not Yet Found