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