deposito di benua timur
  
  
Asia
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey
  
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
  
Afrika
Ethiopia, Morocco, South Africa
  
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
  
Eropah
France, Germany, Italy, Norway, Scotland
  
United Kingdom
  
lain
tanah penggembalaan
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
Canada, Costa Rica, Panama, USA
  
USA
  
Amerika Selatan
Argentina, Brazil, Kolumbia, Ekuador
  
Kolumbia
  
deposito di oceania benua
  
  
Australia
Central Australia, New Zealand, Queensland
  
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula