ZŁOŻA KAMIENI SZLACHETNYCH I PÓŁSZLACHETNYCH RATNAPURA I MEETIYAGODA NA TLE OBSZARÓW GEMMONOŚNYCH SRI LANKI – CHARAKTERYSTYKA OGÓLNA
Abstract
GEM DEPOSITS IN RATNAPURA AND MEETIYAGODA ON THE BACKGROUD OF THE GEM-BEARING AREAS OF SRI LANKA – GENERAL CHARACTERISTICS
Abstract. The present paper concerns a mineralogical characteristic of selected gem deposits. Introductory studies in two localities were conducted since the gem bearing areas occupy one fourth of the area of Sri Lanka, that is a mineralogical and geological phenomenon. Two types of rich deposits situated in central (Ratnapura) and southwestern (Meetiyagoda) parts of the Highland/South-Eastern Complex have been described and presented taking into account their mineralogical curiosities and relatively easy access. They are shown on the geological background of the country mostly built of the Precambrian rocks and three genetic types of deposits: magmatic (pegmatitic), metamorphic and sedimentary.
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