Geology (Theses and Dissertations): Recent submissions
Now showing items 1-20 of 121
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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 ... -
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 ... -
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 ... -
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 ... -
The basement geology of the Porcupine High - a key transatlantic link between the Caledonides and Appalachians
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2023)In order to better reconstruct the basement geology of the western Irish offshore and the North Atlantic, constraining the geologic evolution of the Porcupine High region is key. Located 200 km west of Ireland, the Porcupine ... -
The carboniferous geology of the Carrick-on-Suir syncline, Southern Ireland
(Trinity College (Dublin, Ireland). Department of Geology, 1980)A geological map of the Carrick-on-Suir Syncline is presented at a scale of 1:31680 (2 inches to one mile). The thirteen mapping units proposed are discussed in detail; all but the lowermost are Carboniferous in age. The ... -
Determining the depths and timescales of pre-eruptive processes before the historical 1538 Monte Nuovo eruption (Campi Flegrei caldera, Italy)
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2022)Campi Flegrei, Italy is one of the most populated caldera volcanoes on Earth and a detailed understanding of its sub-volcanic magma system and pre-eruptive processes are essential for effective hazard mitigation. Of ... -
The Palaeo-Ecology and Geochemistry of Potential Source and Reservoir Microbialites in the Ediacaran-Cambrian Sirab Formation, Sultanate of Oman
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2022)Background Rationale & Aim; Ediacaran - Cambrian microbial carbonates are known to range from West Africa to Arabia and Pakistan. In the Sultanate of Oman, these microbialites serve as both source rock and reservoir in the ... -
Exploitation of Decorative Stone in Victorian Ireland: From Quarry to Building
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2022)Ireland contains a diverse range of rock types that are characterised as igneous, sedimentary or metamorphic in origin, which have been widely utilised for building, and to a lesser extent decorative, purposes over the ... -
Constraints on the thermal conditions within the cratonic lithospheric mantle through time
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2022)The stabilization of Earth s first continents is inescapably linked to the formation of the ancient cratonic lithospheric mantle. The cratonic lithospheric mantle is widely considered to have formed as a residue of extreme ... -
Geochemical and mineralogical characterisation of the Caribou Zn-Pb VMS deposit, Bathurst Mining Camp, New Brunswick, Canada
(Trinity College Dublin. School of Natural Sciences. Discipline of Geology, 2022)The Caribou Volcanogenic Massive Sulphide (VMS) Zn-Pb deposit in the Appalachians of Eastern Canada is hosted by Middle Ordovician shale and felsic volcanic rocks and deposited in a back-arc environment. The entire mineralised ...