Search Results - "Pitawala, Amarasooriya"

Grain-size distribution dataset of lagoonal and riverine coastal placer deposits along the southeastern coast of Sri Lanka by Sandaruwan, Chaturanga, Madugalla, Nadeesha, Adikaram, Madurya, Pitawala, Amarasooriya

“…The dataset contains grain size data of placer and non-placer sediments in lagoonal and riverine beaches of southeastern part of Sri Lanka. A total of 124…”
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Microtexture and grain size characteristics of lagoonal and riverine coastal deposits along the southeastern coast of Sri Lanka: implication for paleoenvironment by Sandaruwan, Chaturanga, Madugalla, Nadeesha, Adikaram, Madurya, Pitawala, Amarasooriya, Udagedara, Tharanga

“…Beach placers are concentrations of economically potential minerals formed by surface earth processes and are identified as one of the most easily exploitable…”
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Symplectite growth in the presence of alkaline fluids: evidence from high-aluminous metasediments of the Highland Complex, Sri Lanka by Dharmapriya, P. L., Malaviarachchi, Sanjeewa P. K., Kriegsman, Leo M., Galli, Andrea, Dyck, Brendan, Sajeev, K., Su, Ben-Xun, Pitawala, Amarasooriya

“…High-Al garnet-sillimanite-graphite gneisses (khondalites) from the Matale area in central Sri Lanka show evidence for open system formation of symplectites…”
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An Ecological Risk Assessment of Sediments in a Developing Environment—Batticaloa Lagoon, Sri Lanka by Adikaram, Madurya, Pitawala, Amarasooriya, Ishiga, Hiroaki, Jayawardana, Daham, Eichler, Carla M.

“…The land-sea interface is considered as a threatening environment due to anthropogenic development activities. Unplanned developments can cause effects on…”
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Characterization of biotite drugs used in traditional medicine by Wijenayake, Apsara, Pitawala, Amarasooriya, Bandara, Ratnayake, Abayasekara, Charmalie

“…Temperature-induced mineral alterations are extensively used in traditional pharmaceutical industry. Studies on the traditional heating methods for enhancing…”
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Antimicrobial potential of four mica drugs and their chemical and mineralogical properties by Wijenayake, Apsara, Abayasekara, Charmalie, Pitawala, Amarasooriya, Bandara, B M Ratnayake

“…Mica drugs, a group of herbo-metallic traditional preparations comprising biotite mica as the major mineral ingredient, are prescribed for skin disorders and…”
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A binder‐free composite of graphite and kaolinite as a stable working electrode for general electrochemical applications by Karunadasa, Kohobhange S. P., Rathnayake, Dananjali, Manoratne, Chinthan, Pitawala, Amarasooriya, Rajapakse, Gamini

“…Composite electrodes are essential to overcome dynamic challenges related to electrodes made of polymeric binders. Herein, this work reports a composite…”
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Heavy metals in road deposited sediments and road dusts of Colombo Capital, Sri Lanka by Herath, Dilmi, Pitawala, Amarasooriya, Gunatilake, Jagath

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Using intrinsic vulnerability and anthropogenic impacts to evaluate and compare groundwater risk potential at northwestern and western coastal aquifers of Sri Lanka through coupling DRASTIC and GIS approach by Phok, Ratha, Kosgallana Duwage Wasantha, Nandalal, Sumana Bandara, Weerakoon, Herath Mudiyanselage Thalapitiye Gedara Amarasooriya, Pitawala, Hingure Arachchilage, Dharmagunawardhane

“…Groundwater vulnerability assessment has become a crucial step in successfully protecting groundwater against pollution. An attempt of this study has been made…”
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Weathering of Monuments at Jethawanaramaya Complex in North- Central, Sri Lanka by RATNAYAKE, Amila Sandaruwan, PITAWALA, Amarasooriya

“…Sri Lanka has the richest archaeological sites in Asia. Jethawanarama Complex, one of the valuable sites in the country, is suffering from deterioration due to…”
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Mineralogical and geochemical constraints on the provenance and depositional setting of Sri Lankan marbles by Madugalla, Nadeesha Srimali, Pitawala, Amarasooriya

“…Proterozoic high‐grade marbles cover a significant portion of the Highland Complex (HC) of Sri Lanka. Although many studies on metamorphic silicate rocks of…”
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Human and environmental risk assessment and plausible sources of toxic heavy metals at beach placers in southeast Sri Lanka by Sandaruwan, Chaturanga, Adikaram, Madurya, Madugalla, Nadeesha, Pitawala, Amarasooriya, Ishiga, Hiroaki

“…Beach placers are typically rich in heavy minerals, which are crucial for a wide range of industrial applications. This study investigates the human and…”
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Geochemistry and grain size distribution of surface sediments of a large semi-enclosed lagoon connected to the western Bay of Bengal by Adikaram, Madurya, Pitawala, Amarasooriya, Ishiga, Hiroaki, Jayawardana, Daham

“…Batticaloa is a large (135.5 km2), semi-enclosed, micro-tidal lagoon that formed by barrier deposits in eastern Sri Lanka and has a unique geographic position…”
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The role of herbometallic preparations in traditional medicine – A review on mica drug processing and pharmaceutical applications by Wijenayake, Apsara, Pitawala, Amarasooriya, Bandara, Ratnayake, Abayasekara, Charmalie

“…Biotite mica enriched with Fe2+ ions are widely used as a major mineral ingredient in traditional pharmaceutical science of alchemy (Rasashastra). Abhrak…”
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Using multiple methods to assess heavy metal pollution in an urban city by Herath, Dilmi, Pitawala, Amarasooriya, Gunatilake, Jagath, Iqbal, M. C. M.

“…Heavy metal pollution in urban cities is now an accepted fact. An understanding of the natural and anthropogenic contributions to heavy metal accumulation in…”
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Spatial distribution, enrichment, and source of environmentally important elements in Batticaloa lagoon, Sri Lanka by Adikaram, Madurya, Pitawala, Amarasooriya, Ishiga, Hiroaki, Jayawardana, Daham

“…The present paper is the first documentation of distribution and contamination status of environmentally important elements of superficial sediments in the…”
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I–P2O5 diagrams as an indicator of depositional environment in marine sediments: preliminary findings (Sri Lanka) by Adikaram, Madurya, Pitawala, Amarasooriya, Ishiga, Hiroaki, Jayawardana, Daham

“…The concentrations of Br and I in marine sediments have been used to categorize the sedimentary environments of different coastal regions of the world with…”
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Use pattern of pesticides and their predicted mobility into shallow groundwater and surface water bodies of paddy lands in Mahaweli river basin in Sri Lanka by Aravinna, Piyal, Priyantha, Namal, Pitawala, Amarasooriya, Yatigammana, Sudharma K.

“…Pesticides applied on agricultural lands reach groundwater by leaching, and move to offsite water bodies by direct runoff, erosion and spray drift. Therefore,…”
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Expanding Azania at the heart of Gondwana: Terrane correlation from Southern India to Sri Lanka by Zhao, Lei, Lakshitha Dharmapriya, Prasanna, Zhang, Yan-Bin, Zhai, Ming-Guo, Guo, Jing-Hui, Pitawala, Amarasooriya, Li, Xian-Hua

“…•New geochronological data confirm the existence of early Precambrian basement in Sri Lanka.•These basement components are comparable with those in the…”
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Mineralogy and Geochemistry of beach sediments associated with the Precambrian crystalline rocks (Vijayan Complex) of Sri Lanka; perspective for heavy minerals by Sandaruwan, Chaturanga, Adikaram, Madurya, Madugalla, Nadeesha, Pitawala, Amarasooriya, Ishiga, Hiroaki, Udagedara, Tharanga

“…Southeastern landmass of Sri Lanka is laid on the Vijayan Complex (VC) rocks, a Precambrian basement characterized with specific geological features since the…”
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