Asia
India
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afrika
East Africa, Western Africa
Kenya, Morocco, South Africa, Tanzania
Eropah
England, Romania, Scotland
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
-
Bolivia, Brazil
deposito di oceania benua
Australia
Central Australia, Western Australia
New South Wales, Queensland, South Australia, Western Australia