Deposits in Eastern Continents
  
  
Asia
Afghanistan, Indonesia, Japan, Russia
  
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
  
Africa
Kenya
  
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
  
Europe
Greece, Hungary, Iceland, Italy, Turkey
  
England, France, Germany, Spain, United Kingdom
  
Others
Not Yet Found
  
Not Yet Found
  
Deposits in Western Continents
  
  
North America
Canada, Mexico, USA
  
Canada, USA
  
South America
Argentina, Chile, Ecuador, Peru
  
Colombia
  
Deposits in Oceania Continent
  
  
Australia
New Zealand
  
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula
  
Reserves of Obsidian and Chalk
The reserves of Obsidian and Chalk are geographically distributed all over the world. Obsidian and Chalk reserves play an important role in a country’s economic growth. Rocks are deposited according to the topography of the area. Some oldest rocks can be found in the Canadian Shield, Australia, Africa and in a few other old regions around the world. The ages of these felsic rocks are around 2.5 and 3.8 billion years. Learn about the countries with Obsidian and Chalk reserves here.