RSS 1.0Geology
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Geology (Live Theses)
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Geology (Theses and Dissertations)
Recent Submissions
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Utilization of radiometric data for mapping primary and secondary sources of gamma radiation and radon/thoron release potentials in Ireland
(2024)Background: This paper presents a novel approach to predict and map radon and thoron levels. We developed separate radon and thoron prediction maps for Ireland and introduced a system for producing high-resolution 3D ... -
Logistic regression model for detecting radon prone areas in Ireland
(2017)A new high spatial resolution radon risk map of Ireland has been developed, based on a combination of indoor radon measurements (n = 31,910) and relevant geological information (i.e. Bedrock Geology, Quaternary Geology, ... -
Examining fish scale biomineral from Atlantic salmon populations
(2024)Fish scale microchemistry can be used to make life-history inferences, although ecological studies examining scale composition are relatively rare. Salmon scales have an external layer of calcium phosphate hydroxyl apatite ... -
Seismic Tomography of South America: Continental Lithosphere, Subduction-Zone Structures, and the Origins of Intraplate Magmatism
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2024)The lithospheric structure of South America records its long and complex tectonic evolution, during which it has influenced the distribution and composition of local magmatism, the geometry of the subduction at its western ... -
Common Era sea-level change in the North Atlantic
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2024)Relative sea-level (RSL) varies in time and space in response to a suite of different controlling mechanisms. The reliable reconstruction of RSL using foraminifera buried in high-saltmarsh sediments enable the development ... -
Back to the future: Comparing Yeast as an outmoded artificial Tracer for simulating microbial transport in Karst aquifer systems to more modern approachs
(2024)Bacterial contamination of karst groundwater is a major concern for public health. Artificial tracing studies are crucial for establishing links between locations where pollutants can rapidly reach the aquifer systems ... -
From synergy to inhibition: Effects of multi component solutions on the crystallization of divalent carbonates in natural and synthetic environments
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2024)The understanding of the processes governing the mechanisms, kinetics, and pathways of carbonate crystallization is crucial in the context of carbon capture and storage through mineralization. However, uncertainty still ... -
Cold-water corals from the deep-sea to the TV: development of shelf-edge mounds, assessment of anthropogenic stressors and geochemical parameters, and impacts of science communication
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2024)Cold-water corals (CWCs) are the hidden reef-builders of the deep ocean. They are out of sight, yet they perform important functions for marine ecosystems, play a role in stabilising climate change, and hold clues to study ... -
Development and physical characteristics of the Irish shelf-edge Macnas Mounds, Porcupine Seabight, NE Atlantic
(2024)Modern cold-water corals (CWCs) occur in a wide range of water depths, with Desmophyllum pertusum being one of the most common species. Pleistocene, Holocene, and modern coral mound formation by living CWC reefs have ... -
Origin and evolution of the Mesoarchean Aouéouat greenstone belt and associated gold mineralisation
(Trinity College (Dublin, Ireland). Department of Geology, 2016)This Aouéouat greenstone belt is situated in the Tasiast-Tijirit Terrane of the Reguibat Shield, part of the West African Craton. Petrographic, geochronological, geochemical and isotopic studies of the Aouéouat greenstone ... -
Advances in the detection of particulate matter and aerosols in peat: Exploring Icelandic volcanic activity and multi-source deposition in Ireland
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2024)This Ph.D. research project develops new techniques for the detection of particulate matter and aerosols in peat, a relatively underexplored atmospheric archive and carries out novel investigations of atmospheric deposition ... -
The zircon record of the Sudbury impact crater and its implications for the early Earth
(Trinity College (Dublin, Ireland). Department of Geology, 2016)In the absence of widespread rocks older than 4.0 Ga, the earliest terrestrial material and the only direct evidence for the nature of the Earth's very early crust are tiny zircon crystals. The chemical compositions of ... -
Assessment of natural radioactivity and radon release potential of Silurian black shales
(2024)Many countries are developing a radon action plan to provide decision-makers with a reliable tool for reducing the harmful effects of radon exposure in dwellings and among the general public and, accordingly, to implement ... -
Applying machine learning to model radon using topsoil geochemistry
(2023)Radon is classified as a Class 1 carcinogen, being the leading cause of lung cancer in non-smokers. Understanding the prominent sources of radon helps to mitigate against the adverse effects of radon exposure. Considering ... -
Age of the oldest known Homo sapiens from eastern Africa
(2022)Efforts to date the oldest modern human fossils in eastern Africa, from Omo-Kibish and Herto in Ethiopia, have drawn on a variety of chronometric evidence, including 40Ar/39Ar ages of stratigraphically associated tuffs. ... -
Deep, ultra-hot-melting residues as cradles of mantle diamond
(2023)The ancient stable continents are up to 250 km deep, with roots extending into the diamond stability field. These cratons owe their mechanical strength to being cool and rigid, features inherited from extensive melt ... -
Uranium-lead geochronology applied to pyrope garnet with very low concentrations of uranium
(2023)We present U–Pb dates from peridotitic pyrope-rich garnet from four mantle xenoliths entrained in a kimberlite from Bultfontein, South Africa. Garnet dates magmatic emplacement due to the high mantle residence temperatures ... -
A study of natural radioactivity levels and radon/thoron release potential of bedrock and soil in southeastern ireland', International Journal of Environmental Research and Public Health
(2021)Radon (222Rn) and thoron (220Rn) account for almost two-thirds of the annual average radiation dose received by the Irish population. A detailed study of natural radioactivity levels and radon and thoron exhalation rates ... -
Interaction of Ca-Mg Carbonates with Rare Earth Element bearing Fluids under Ambient and Hydrothermal Conditions
This thesis aims to investigate the mechanisms of formation of hydroxylbastnäsite, a significant source of rare earth elements, in order to uncover the fundamental principles governing its crystallisation. The precise ... -
Structure and evolution of the upper mantle of the Australian Plate and North Atlantic Ocean from waveform tomography
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2023)With the expansion of regional and global seismic networks and the advancing of tomographic techniques, tomography models are able to reveal the heterogeneities in the Earth's interior with an increasing amount of detail. ...
