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