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