deposito di benua timur
  
  
Asia
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
  
Not Yet Found
  
Afrika
Ethiopia, Morocco, South Africa
  
Not Yet Found
  
Eropah
France, Germany, Italy, Norway, Scotland
  
Bulgaria, England, Germany, Norway, Romania, Switzerland
  
lain
tanah penggembalaan
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
Canada, Costa Rica, Panama, USA
  
USA
  
Amerika Selatan
Argentina, Brazil, Kolumbia, Ekuador
  
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru
  
deposito di oceania benua
  
  
Australia
Central Australia, New Zealand, Queensland
  
New South Wales, New Zealand, Queensland, South Australia, Western Australia