deposito di benua timur
Asia
China, India, Turkey
China, India, Kazakhstan, Mongolia, Russia
Afrika
-
Namibia, Nigeria, South Africa
Eropah
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
lain
arktik
-
deposito di benua Barat
Amerika Utara
USA
Canada, USA
Amerika Selatan
Brazil
Brazil, venezuela
deposito di oceania benua
Australia
-
New South Wales, New Zealand