deposito di benua timur
  
  
Asia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
  
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
  
Afrika
Cameroon, East Africa, Tanzania, Western Africa
  
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
  
Eropah
United Kingdom
  
Bulgaria, England, Germany, Norway, Romania, Switzerland
  
lain
belum menemukan
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
Canada, USA
  
USA
  
Amerika Selatan
Bolivia, Brazil, Kolumbia, Ekuador
  
Brazil, Chili
  
deposito di oceania benua
  
  
Australia
New South Wales, New Zealand, Queensland, Western Australia
  
New Zealand, Queensland, South Australia, Western Australia