Browsing ARS 2020 by Author "Wanniarachchi, D.N.S"

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  • Conjugate Shear Fractures in Galgoda Charnockite, Balangoda 
    Ranaweera, L.V; Wanniarachchi, D.N.S (Sabaragamuwa University of Sri Lanka, 2020-12-16)
    Conjugate Shear fractures are pair of fractures which were developed during brittle failure of rocks. Presence of shear fractures signs faulting or relative movement of rocks in a particular area. This study aimed at ...
  • Value Addition of Low-Quality Gems in Sri Lanka: A Case Study from Marapana, Ratnapura 
    Jayalath, R.D.M.G; Sandaruwan, P.D; Udawatte, C.P; Wanniarachchi, D.N.S; Wijesekara, H; Diyabalanage, R.S (Sabaragamuwa University of Sri Lanka, 2020-12-16)
    Sri Lanka is known the world over for its wide variety of coloured gemstones. In addition to the good quality gemstones, low-quality gemstones (Geuda) are found in Sri Lanka. Heat treatment is a physicochemical method ...

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