DFENS: Diffusion Chronometry Using Finite Elements and Nested Sampling ...
AbstractIn order to reconcile petrological and geophysical observations of magmatic processes in the temporal domain, the uncertainties in diffusion timescales need to be rigorously assessed. Here, we present a new diffusion chronometry method: Diffusion chronometry using Finite Elements and Nested...
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2021
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ftdatacite:10.17863/cam.66547 2024-02-04T10:01:25+01:00 DFENS: Diffusion Chronometry Using Finite Elements and Nested Sampling ... Mutch, EJF Maclennan, J Shorttle, O Rudge, JF Neave, DA 2021 https://dx.doi.org/10.17863/cam.66547 https://www.repository.cam.ac.uk/handle/1810/319424 en eng American Geophysical Union (AGU) open.access All rights reserved http://purl.org/coar/access_right/c_abf2 Bá rð arbunga Bayesian inversion diffusion modeling finite elements Iceland volcanic and magmatic timescales olivine and plagioclase geospeedometry Skuggafjö ll Article ScholarlyArticle JournalArticle article-journal 2021 ftdatacite https://doi.org/10.17863/cam.66547 2024-01-05T16:30:12Z AbstractIn order to reconcile petrological and geophysical observations of magmatic processes in the temporal domain, the uncertainties in diffusion timescales need to be rigorously assessed. Here, we present a new diffusion chronometry method: Diffusion chronometry using Finite Elements and Nested Sampling (DFENS). This method combines a finite element numerical model with a nested sampling Bayesian inversion, meaning that uncertainties in the parameters contributing to diffusion timescale estimates can be obtained and that observations from multiple elements can be used to better constrain individual timescales. Uncertainties associated with diffusion timescales can be reduced by accounting for covariance in the uncertainty structure of diffusion parameters rather than assuming that they are independent of each other. We applied the DFENS method to the products of the Skuggafjöll eruption from the Bárðarbunga volcanic system in Iceland, which contains zoned macrocrysts of olivine and plagioclase that ... Article in Journal/Newspaper Iceland DataCite Metadata Store (German National Library of Science and Technology) Skuggafjöll ENVELOPE(-18.722,-18.722,63.977,63.977) |
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Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
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ftdatacite |
language |
English |
topic |
Bá rð arbunga Bayesian inversion diffusion modeling finite elements Iceland volcanic and magmatic timescales olivine and plagioclase geospeedometry Skuggafjö ll |
spellingShingle |
Bá rð arbunga Bayesian inversion diffusion modeling finite elements Iceland volcanic and magmatic timescales olivine and plagioclase geospeedometry Skuggafjö ll Mutch, EJF Maclennan, J Shorttle, O Rudge, JF Neave, DA DFENS: Diffusion Chronometry Using Finite Elements and Nested Sampling ... |
topic_facet |
Bá rð arbunga Bayesian inversion diffusion modeling finite elements Iceland volcanic and magmatic timescales olivine and plagioclase geospeedometry Skuggafjö ll |
description |
AbstractIn order to reconcile petrological and geophysical observations of magmatic processes in the temporal domain, the uncertainties in diffusion timescales need to be rigorously assessed. Here, we present a new diffusion chronometry method: Diffusion chronometry using Finite Elements and Nested Sampling (DFENS). This method combines a finite element numerical model with a nested sampling Bayesian inversion, meaning that uncertainties in the parameters contributing to diffusion timescale estimates can be obtained and that observations from multiple elements can be used to better constrain individual timescales. Uncertainties associated with diffusion timescales can be reduced by accounting for covariance in the uncertainty structure of diffusion parameters rather than assuming that they are independent of each other. We applied the DFENS method to the products of the Skuggafjöll eruption from the Bárðarbunga volcanic system in Iceland, which contains zoned macrocrysts of olivine and plagioclase that ... |
format |
Article in Journal/Newspaper |
author |
Mutch, EJF Maclennan, J Shorttle, O Rudge, JF Neave, DA |
author_facet |
Mutch, EJF Maclennan, J Shorttle, O Rudge, JF Neave, DA |
author_sort |
Mutch, EJF |
title |
DFENS: Diffusion Chronometry Using Finite Elements and Nested Sampling ... |
title_short |
DFENS: Diffusion Chronometry Using Finite Elements and Nested Sampling ... |
title_full |
DFENS: Diffusion Chronometry Using Finite Elements and Nested Sampling ... |
title_fullStr |
DFENS: Diffusion Chronometry Using Finite Elements and Nested Sampling ... |
title_full_unstemmed |
DFENS: Diffusion Chronometry Using Finite Elements and Nested Sampling ... |
title_sort |
dfens: diffusion chronometry using finite elements and nested sampling ... |
publisher |
American Geophysical Union (AGU) |
publishDate |
2021 |
url |
https://dx.doi.org/10.17863/cam.66547 https://www.repository.cam.ac.uk/handle/1810/319424 |
long_lat |
ENVELOPE(-18.722,-18.722,63.977,63.977) |
geographic |
Skuggafjöll |
geographic_facet |
Skuggafjöll |
genre |
Iceland |
genre_facet |
Iceland |
op_rights |
open.access All rights reserved http://purl.org/coar/access_right/c_abf2 |
op_doi |
https://doi.org/10.17863/cam.66547 |
_version_ |
1789967302582599680 |