Asia
China, India, Kazakhstan, Mongolia, Russia
-
Afrika
Namibia, Nigeria, South Africa
Uganda
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Germany, Hungary, Italy, Spain
lain
-
tanah penggembalaan, mid-Atlantik ridge
Amerika Utara
Canada, USA
USA
Amerika Selatan
Brazil, venezuela
Bolivia, Brazil
deposito di oceania benua
Australia
New South Wales, New Zealand
New South Wales, New Zealand, Queensland, South Australia, Western Australia