Physical volcanology of Tseax Volcano, British Columbia, Canada

Tseax volcano erupted ∼ 250 years ago in NW British Columbia, Canada producing tephra deposits and lava flows. Field mapping has defined the stratigraphy of Tseax and the lava flow morphologies. Aerial photogrammetry and bathymetry surveys were used to create a high resolution digital elevation mode...

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Main Authors: Yannick Le Moigne, Glyn Williams-Jones, Kelly Russell, Steve Quane
Format: Article
Language:English
Published: Taylor & Francis Group 2020-12-01
Series:Journal of Maps
Subjects:
Online Access:http://dx.doi.org/10.1080/17445647.2020.1758809
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author Yannick Le Moigne
Glyn Williams-Jones
Kelly Russell
Steve Quane
author_facet Yannick Le Moigne
Glyn Williams-Jones
Kelly Russell
Steve Quane
author_sort Yannick Le Moigne
collection DOAJ
description Tseax volcano erupted ∼ 250 years ago in NW British Columbia, Canada producing tephra deposits and lava flows. Field mapping has defined the stratigraphy of Tseax and the lava flow morphologies. Aerial photogrammetry and bathymetry surveys were used to create a high resolution digital elevation model of the volcano to facilitate mapping and estimates of erupted material volumes. Tseax volcano (∼ 10.4 ± 0.7 × 106 m3) comprises an outer breached spatter rampart and an inner conical tephra cone. Tseax is associated with a 32 km long and 0.49 ± 0.08 km3 basanite-to-tephrite lava flow field covering ∼ 36 km2 and divided into 4 distinct lava flows with heterogeneous surface morphologies. We present a volcanological map of Tseax volcano at a scale of 1:22,500. This will serve as supporting information for further research on the eruptive history of Tseax volcano and the lava flow field emplacement.
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spelling doaj.art-505269f47da5438abd3e191f62f441ce2022-12-21T19:49:21ZengTaylor & Francis GroupJournal of Maps1744-56472020-12-0116236337510.1080/17445647.2020.17588091758809Physical volcanology of Tseax Volcano, British Columbia, CanadaYannick Le Moigne0Glyn Williams-Jones1Kelly Russell2Steve Quane3Centre for Natural Hazards Research, Department of Earth Sciences, Simon Fraser UniversityCentre for Natural Hazards Research, Department of Earth Sciences, Simon Fraser UniversityDepartment of Earth, Ocean and Atmospheric Sciences, University of British ColumbiaDepartment of Geology, Quest University CanadaTseax volcano erupted ∼ 250 years ago in NW British Columbia, Canada producing tephra deposits and lava flows. Field mapping has defined the stratigraphy of Tseax and the lava flow morphologies. Aerial photogrammetry and bathymetry surveys were used to create a high resolution digital elevation model of the volcano to facilitate mapping and estimates of erupted material volumes. Tseax volcano (∼ 10.4 ± 0.7 × 106 m3) comprises an outer breached spatter rampart and an inner conical tephra cone. Tseax is associated with a 32 km long and 0.49 ± 0.08 km3 basanite-to-tephrite lava flow field covering ∼ 36 km2 and divided into 4 distinct lava flows with heterogeneous surface morphologies. We present a volcanological map of Tseax volcano at a scale of 1:22,500. This will serve as supporting information for further research on the eruptive history of Tseax volcano and the lava flow field emplacement.http://dx.doi.org/10.1080/17445647.2020.1758809tseax volcanolava flowmappingdembathymetry
spellingShingle Yannick Le Moigne
Glyn Williams-Jones
Kelly Russell
Steve Quane
Physical volcanology of Tseax Volcano, British Columbia, Canada
Journal of Maps
tseax volcano
lava flow
mapping
dem
bathymetry
title Physical volcanology of Tseax Volcano, British Columbia, Canada
title_full Physical volcanology of Tseax Volcano, British Columbia, Canada
title_fullStr Physical volcanology of Tseax Volcano, British Columbia, Canada
title_full_unstemmed Physical volcanology of Tseax Volcano, British Columbia, Canada
title_short Physical volcanology of Tseax Volcano, British Columbia, Canada
title_sort physical volcanology of tseax volcano british columbia canada
topic tseax volcano
lava flow
mapping
dem
bathymetry
url http://dx.doi.org/10.1080/17445647.2020.1758809
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