Asia
China, India, Indonesia, Saudi Arabia, South Korea
India, Russia
Afrika
Eritrea, Ethiopia, Ghana, South Africa, Western Africa
South Africa
Eropah
England, Finland, France, Germany, Great Britain, Greece, United Kingdom
Germany, Greece, Italy, Scotland, Turkey
lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
USA
Canada, USA
Amerika Selatan
belum menemukan
Bolivia, Brazil, Kolumbia, venezuela
deposito di oceania benua
Australia
Central Australia, Western Australia
New Zealand, Queensland