Gem Deposits Of Sri Lanka

Classification of the gem deposits of Sri Lanka

Figure shows below illustrates the classification scheme for the gem deposits of Sri Lanka proposed by Dissanayake and Rupasinghe (1995). The scheme follows the general classification of the three main rock types and classification is based on deposit genesis. The advantage of the genetic classification of gem deposits lies in its predictive value. For example, contact metamorphic zones associated with calcium rich rocks are likely location for certain gem deposits in Sri Lanka and identification of such features assists in the location of target areas for detailed exploration.

Gem Deposits Chart