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