- MSc Researcher
Mr Evan O’Mahony is a postgraduate researcher in the iCRAG safeguarding the geomarine environment research challenge. He graduated with a BSc in Geology in 2017 from University College Cork. Evan worked as a geotechnical engineer before he joined iCRAG in 2019 under the supervision of Prof. Andrew Wheeler at University College Cork.
Sand and gravel aggregate deposits are a vital natural resource, providing essential raw materials for infrastructure and supply for the construction industry. Marine aggregates have advantages over terrestrial supplies in that they are often cleaner, less prone to pyrite contamination and with improved calcium contents. Marine aggregate extraction offers significant benefits in terms of lower environmental cost compared to its terrestrial counterpart; reduced CO2 emissions from both extraction and transport as well as significantly faster habitat recovery post in comparison to terrestrial extraction. My research will help resource and assess the quality of marine aggregates off the south coast of Ireland.
The project will delimit and quantify (resource location, thickness and quality) marine aggregate resources off the south coast of Ireland. Geophysical data (collected and new) will enable generic resource development models generation and volumetric estimates. Aggregate quality will be appraised through the determination of physical properties (grain size, grain shape, grain surface texture) and petrochemistry to determine suitability and high value nice product, adding to this the project aims to develop generic models of offshore multiphase palaeovalleys to better predict aggregate occurrences in similar marine realms respectively.
- Postgraduate Researcher
- Supply of Raw Materials
- Aggregates, Hydrogeology, Marine, Raw Materials, Sedimentology, Paleoceanography