The Regional Geological map of Guyana at the scale 1:1,000,000 includes the compilation of geological mapping work from 1898 to 1987 made by Walrond (1987). The digital version of the map was made in 1999 and the last update in 2010 (Heesterman and Nadeau, 2010). The geological formations of Guyana are displayed by different color reflecting their age and rock composition.

The digital map of Guyana at the scale 1:1,000,000 in paper format or on CD is sold at the price of GUY$5,000 (US$25.00).

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