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Fletta eftir efnisorði "Jarðfræði"
Atriði 1-8 af 8
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(University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2020-01)The Breiðdalur volcanic system, eastern Iceland, comprises of a ~600 km3 central volcano, a 30 - 40 km long dyke swarm and plateau basalts erupted from this dyke swarm. The entire volcanic system was active from 10.1 to 7.8 Ma, the central volcano was ... -
(University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2018-05)Fluid-rock interaction is an important process in nature, and in many industrial fields. Fluid-rock interaction can be utilized to sequester industrial gases like CO2 and H2S in porous rocks of geothermal systems. The gases are re-injected, together ...
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(University of Iceland, School of Engineering and Natural Sciences, Faculty of Life and Environmental Sciences, 2016-12)For most of the Holocene the main driver of vegetation and environmental change in Iceland was climate, although intermittent volcanic events had short term impacts. This changed with the Norse colonisation in the late 9th century AD, from when land ...
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(University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2019-10-23)The reduction of carbon dioxide (CO2) emissions in the atmosphere is currently one of the main challenges facing humanity. One solution is carbon capture from concentrated sources and directly from the atmosphere, and long term storage in rocks. Basaltic ...
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(University of Turku; University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2020-11-13)Tephrochronology is a high-precision dating method that uses volcanic ash horizons as isochrons in correlating and dating geological records and archaeological sites. First developed in the volcanic regions of the world, tephrochronology has expanded ...
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(University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2019-04)Iceland’s position at the confluence of major oceanic and atmospheric fronts results in a highly sensitive climate evident in both instrumental and paleo records. However, open questions still remain regarding the pre-instrumental evolution of climate, ...
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(University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2022-02-25)Volatile species (e.g., H2O, He, B, CO2, S, Cl) and their isotopes in volcanic materials provide a unique, but underexplored archive of information about magmatic processes and planetary evolution. This study aims to improve our understanding regarding ...
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(University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2021-02)The physico-chemical properties of magma storage reservoirs in multi-level magmatic systems may change with time, along with the timescales at which crystals and melts are processed throughout the crust. In this thesis, I use an integrated approach ...
Atriði 1-8 af 8