deposito di benua timur
  
  
Asia
China, India, Kazakhstan, Mongolia, Russia, South Korea, Uzbekistan
  
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
  
Afrika
Namibia, Nigeria, South Africa
  
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
  
Eropah
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
  
United Kingdom
  
lain
tanah penggembalaan
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
Barbados, Canada, Mexico, Panama, USA
  
USA
  
Amerika Selatan
Brazil
  
Kolumbia
  
deposito di oceania benua
  
  
Australia
New South Wales, New Zealand
  
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula