Abstract
The Guayana shield is one of the oldest land surfaces of the world, consisting of Precambrian rocks between 0.9 and 3.5 billion years old (Schubert et al. 1986). The shield is stratified with a granitic base and a huge overlaying cover of sandstone. The latter suffered intensive erosion, producing the masses of white quartzitic sand which are distributed all over the shield and its adjacent areas. Remnants of the sandstone layer are huge table mountains, the tepuis.
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Gröger, A. (2000). Flora and Vegetation of Inselbergs of Venezuelan Guayana. In: Porembski, S., Barthlott, W. (eds) Inselbergs. Ecological Studies, vol 146. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-59773-2_15
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DOI: https://doi.org/10.1007/978-3-642-59773-2_15
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