GSSL – 31st Annual Technical Sessions “Understanding Geology for Better and Safer Living” organized by Geological Society of Sri Lanka held on 27th February 2015 at Postgraduate institute of Science (PGIS), University of Peradeniya.
Technical Session I
Geophysics, Tectonics, Engineering Geology and Petrology
Is the Mohorovicic Seismic Discontinuity the Bed of Earthquakes?
Atula Senaratne
An Electromagnetic Survey in the Area around Rangala Graphite Mine for Detecting Subsurface Graphite Veins, Sri Lanka
K.M.P.C Karunarathne and H.A. Dharamagunawardhane
Vertical Cross Section of Eppawala Carbonatite Intrusion Based on Magnetic Data
W.K.D.G.D.R. Charles, N.D. Subasinghe, Nalin De Silva and H.M.T.G.A. Pitawala
Use of Magnetic Method to Delineate the Kawisigamuwa Phosphate Occurrences
S.P. Rajapakshe, N.D. Subasinghe, Nalin de Silva, U. Dahanayake, W.K.D.G.D.R. Charles and S.A. Samaranayake
Effectiveness of Ground Penetrating Radar and Electrical Resistivity Methods to Pinpoint Solution Cavities: A Case Study from Matale
A.M.T.H. Abeysinghe, Udeni B. Amarasinghe and M.I.D.H. Wijewickrama
Gondwana Breakup and Development of Sedimentary Basins in Sri Lanka
E.K.C.W. Kularathna, H.M.T.G.A. Pitawala, Atula Senaratne and Damsith Weerasinghe
Sub Volcanic Sedimentary Depositional Environment in Mannar Basin, Sri Lanka
W.A.G.K. Wickramasinghe, H.M.T.G.A. Pitawala, Chathuranga Senevirathne and Dhamsith Weerasinghe
A Preliminary Study on Pre-Flood Volcanic Hydrocarbon Prospectivity in the Mannar Basin, Sri Lanka
E.K.C.W. Kularathna, H.M.T.G.A. Pitawala and Atula Senaratne
Comparison between Ground Investigation Data and Actual Observed Data: A Case Study, SSDS “Tunnel F”, Hong Kong
L.H.D.D. Hasitha
Application of Rock Mass Classification Systems in Dyraaba Conveyance Tunnel of Uma Oya Multipurpose Development Project
W.G.P.P. Premarathne, A.A.J.K. Gunatilake and S.W. Nawaratne
Investigation of Geological and Geotechnical Aspects for Construction of the Main Dam, Moragahakanda Reservoir, Sri Lanka
K.M.D.P. Kumara, A.A.J.K. Gunatilake, S.M.N.M. Senevirathna
Zircon U-Pb and Lu-Hf Isotope Systematics from Meta-igneous Rocks of Sri Lanka: Geochemical Evidence for Convergent Margin Magmatism
Sanjeewa P. K. Malaviarachchi, M. Santosh, T. Tsunogae, X. He and P.L. Dharmapriya
Powder XRD Study of Gem Quality Corundum (Alpha-Al2O3): A Qualitative Method to Identify Synthetic and Natural Corundum
D. Ranatunge and G.W.A.R. Fernando
Formation of Garnet + Corundum during Isobaric Cooling of UHT Metapelites in the Highland Complex, Sri Lanka
P.L. Dharmapriya, Sanjeewa P. K. Malaviarachchi, Andrea Galli, Ben-Xun Su, N.D. Subasinghe and C.B. Dissanayake
Reactivation of Landslides and Subsidence Threats due to Marble Band: A Case Study from Watagoda and Dodandeniya in Matale
M.M.C.U.B. Moremada, M.I.D.H. Wijewickrema, Subhashini Bindusara, M.K.C. Jayamali, W.D.G.D.T. Rajapaksha and H.A.H. Jayasena
Technical Session II
Earth Surface Processes and Geochemistry, Paleoclimate, Value Addition and Processing of Industrial Minerals
Application of OSL as a Tool to Date Depositional Ages of Quaternary Deposits: A Case Study from ‘Rathnapura Beds’, Sri Lanka
‘Tilak Hewawasam
Appraisal of Gem Deposits in Badalkumbura Area, Sri Lanka
R.M.R.S. Ratnayake, S.V.T.D. Raveendrasinghe, R.M.N.P.K. Jayasinghe, T.S. Dharmaratne and H.M.R. Premasiri
Stream Sediment Geochemistry and Mineral Potential of Walawe Basins
H.P. Marasinghe, G.R.N. Gunarathana, P.N. Ranasinghe and Shamalie Siriwardana
Evidence for Pre-2004 Basin-Wide Tsunamis from Dondra Lagoon of Southern Sri Lanka
T. Ambillapitiya, P.N. Ranasinghe and C. Amarasinghe
Climate Implications on Water Stress and Selected Water Quality Parameter Variations: A Case Study from Daduru Oya Basin
E.G. Rosairo and H.A.H. Jayasena
Occurrence of Trace Fossils in Eastern Coast of Sri Lanka: Implications for Paleoenvironment
A.M.N.M. Adikaram, H.M.T.G.A. Pitawala, H. Ishiga and D.T. Jayawardane
Mine Water Problem at the Bogala Graphite Mine, Sri Lanka
A.G.R.P. Weerasinghe and H.A. Dharmagunawardhane
Arsenic and Cadmium in Water of North Central Province of Sri Lanka: Implications to Widespread Chronic Kidney Disease of Unknown Aetiology (CKDu)
Bernard N. Prame, Shamalie Siriwardana, Sanjeewa Hettiarachchi, Priyanka Jayalath and Vindya Wanasinghe
Effectiveness of Soil Coservation in Mahaweli Catchment, Sri Lanka: A Case Study from Uma Oya Sub Catchment
Saranga Diyabalanage, Sandun Illangasinghe, K.K. Samarakoon, S.B. Adikari and Tilak Hewawasam
Groundwater Recharge Mechanism in the Ambanganga Basin, Sri Lanka: An Assessment Based on Stable Isotope Technique
E.A.N.V. Edirisinghe, H.M.T.G.A. Pitawala, H.A. Dharmagunawardhane and R.L. Wijayawardana
Value-addition to Sri Lankan Impure Marbles through Synthesis of Nanomaterials
M.M.M.G.P.G. Mantilaka, H.M.T.G.A. Pitawala, D.G.G.P. Karunaratne and R.M.G. Rajapakse
Purity Enhancement of Natural Flake Graphite in Sri Lanka
R.M.U.M. Somarathna, H.P.T.S. Hewathilake, L.P.S. Rohitha, N.W.B. Balasooriya and H.W.M.A.C. Wijayasinghe
HF Acid Digestion for Purification of Vein Graphite
H.P.T.S Hewathilake, H.W.M.A.C. Wijayasinghe, N.W.B. Balasooriya and H.M.T.G.A. Pitawala
Producing Raw Silica from Sri Lankan Vein Quartz Suitable for High End Glass Industry
S.S. Pathirage, P.V.A. Hemalal, L.P.S. Rohitha, Shamalie Siriwardana and N.P. Ratnayake
Chemical and Mineralogical Stability of Biotite under Acidic and Basic Conditions
A.U. Wijenayake, H.M.T.G.A. Pitawala, C.L. Abayasekara and B.M.R. Bandara
Estimating Optimum Beach Angle for Heavy Mineral Deposition Along Sri Lankan Beaches
R.B.D.L. Bandara and Atula Senaratne
