Asia
Russia, Turkey
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda
Kenya, Morocco, South Africa, Tanzania
Eropah
Germany, Greece, Iceland, Norway, Poland
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
lain
belum menemukan
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
Canada, USA
Canada, Mexico, USA
Amerika Selatan
Brazil
Bolivia, Brazil
deposito di oceania benua
Australia
South Australia, Western Australia
New South Wales, Queensland, South Australia, Western Australia