deposito di benua timur
  
  
Asia
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen
  
Russia, South Korea
  
Afrika
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda
  
Western Africa
  
Eropah
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom
  
United Kingdom
  
lain
antarctica, pulau hawaii
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
Canada, Costa Rica, Panama, USA
  
USA
  
Amerika Selatan
Argentina, Bolivia, Brazil, Chili, Kolumbia, Ekuador
  
belum menemukan
  
deposito di oceania benua
  
  
Australia
Central Australia, Western Australia
  
Central Australia, Western Australia