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