Asia
Japan, Turkey
China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
Egypt, Ethiopia, South Africa
Kenya, Morocco, South Africa, Tanzania
Eropah
France, Greece, Iceland
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
lain
-
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
USA
Canada, Mexico, USA
Amerika Selatan
-
Bolivia, Brazil
deposito di oceania benua
Australia
New Zealand
New South Wales, Queensland, South Australia, Western Australia