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Nanyaseik area is situated in Hpakant Township, Kachin State (Northern Myanmar). It is bounded by North Latitudes (25º 36' - 25º 43') and East Longitudes (96º 30' - 96º 36') in one inch topographic map index of 92C/10. The total areal coverage is about 130 square kilometers. The rock sequence of the study area consists of medium to high grade metamorphic rocks: marble, gneiss and intrusive igneous rocks, mainly biotite microgranite and serpentinite. Although the primary occurrences of gemstones in the area seem to be scarce, the secondary gem-bearing placers are noteworthy. All gemstone occurrences from this area are mainly recovered from secondary deposits (gravels).
2 views reported since publication in 2018.