deposito di benua timur
  
  
Asia
India, Russia
  
China, India, Indonesia, Russia, Singapore, South Korea
  
Afrika
South Africa
  
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
  
Eropah
Germany, Greece, Italy, Scotland, Turkey
  
Albania, France, Germany, Great Britain, United Kingdom
  
lain
tanah penggembalaan
  
belum menemukan
  
deposito di benua Barat
  
  
Amerika Utara
Canada, USA
  
Canada, USA
  
Amerika Selatan
Brazil, Kolumbia, venezuela
  
Brazil, Kolumbia, Ekuador
  
deposito di oceania benua
  
  
Australia
New Zealand, Queensland
  
New South Wales, South Australia, Western Australia