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