Reserves of Natural Bitumen (Gilsonite) are spread all over the globe in several areas and within many basins in different forms considering the geological nature of each area. Many of the areas are well explored such as Utah in USA and some are known to some extent such as reserves of Gilsonite in Angola and some are fully unavailable such as Syrian Natural Bitumen Deposits.
The currently known reserves of Gilsonite like natural bitumen are as follows:
Table – Global Locations of Natural Bitumen
| Albania Durres Basin | Angola Bengo Province | Azerbaijan Chieldag | Bahrain Arabian Basin | Canada Alberta Deposit |
| China Xinjinag Province | Colombia Magdanela Basin | Congo Cabinda Basin | Ecuador Scatterd Oil Seepages | Georgia Natanebi |
| Germany Northwest Germany Basin | Indonesia Butun Island | Iran, Kermanshah | Iraq Kudristan | Kazakhstan North Caspian Basin |
| Madagascar Bemolanaga | Nigeria Ghana Basin | Russia Lena-Tunguska | Switzerland Val De Traverz | Syria |
| Trinidad & Tobacco La Bree | United States of America Utah State | Venezuela Guanoco lake | ||
References:
– Book of “Survey of Energy Resources, 2004”
