deposito di benua timur
  
  
Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
  
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
  
Afrika
Angola, Egypt, Ethiopia, Madagascar, Namibia, Nigeria, South Africa
  
Ethiopia, Morocco, South Africa
  
Eropah
Bulgaria, England, Germany, Norway, Romania, Switzerland
  
France, Germany, Italy, Norway, Scotland
  
lain
belum menemukan
  
tanah penggembalaan
  
deposito di benua Barat
  
  
Amerika Utara
USA
  
Canada, Costa Rica, Panama, USA
  
Amerika Selatan
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador, peru
  
Argentina, Brazil, Kolumbia, Ekuador
  
deposito di oceania benua
  
  
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
  
Central Australia, New Zealand, Queensland