Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES
Hotspot-influenced spreading axes are characterized by a shallow axis, thickened crust, and possibly by higher-than-normal eruption frequency, all signs of an excess of magma and heat being supplied to such ridges by the hotspot. Despite this, these ridges are also characterized by an apparently low...
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Gutachterpanel Forschungsschiffe
2022
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Online Access: | https://oceanrep.geomar.de/id/eprint/55725/ https://oceanrep.geomar.de/id/eprint/55725/1/awi_f47a7f292a76322a35d8c7747c5000daa601a0ff.pdf https://doi.org/10.48433/cr_msm75 |
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ftoceanrep:oai:oceanrep.geomar.de:55725 2023-05-15T16:48:23+02:00 Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES Devey, Colin Brix, Saskia Barua, Ayushman (Rio) Bodendorfer, Matthias Cuno, Patrick Frutos, Immaculata Huusmann, Hannes Kurbjuhn, Torge Le Saout, Morgane Linse, Katrin Matthiessen, Torge Palgan, Dominik Petersen, Sven Pieper, Martin Rothenbeck, Marcel Steinführer, Anja Tandberg, Anna Helene Taylor, James Thorhallsson, Daniel Tomkowicz, Adriana von Bosse, Thorge Wenzlaff, Emanuel 2022 text https://oceanrep.geomar.de/id/eprint/55725/ https://oceanrep.geomar.de/id/eprint/55725/1/awi_f47a7f292a76322a35d8c7747c5000daa601a0ff.pdf https://doi.org/10.48433/cr_msm75 en eng Gutachterpanel Forschungsschiffe https://oceanrep.geomar.de/id/eprint/55725/1/awi_f47a7f292a76322a35d8c7747c5000daa601a0ff.pdf Devey, C. , Brix, S., Barua, A. (., Bodendorfer, M., Cuno, P., Frutos, I., Huusmann, H., Kurbjuhn, T., Le Saout, M. , Linse, K., Matthiessen, T., Palgan, D., Petersen, S. , Pieper, M., Rothenbeck, M., Steinführer, A., Tandberg, A. H., Taylor, J., Thorhallsson, D., Tomkowicz, A., von Bosse, T. and Wenzlaff, E. (2022) Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES. Open Access . Maria S. Merian-Berichte, MSM75 . Gutachterpanel Forschungsschiffe, Bonn, 89 pp. DOI 10.48433/cr_msm75 <https://doi.org/10.48433/cr_msm75>. doi:10.48433/cr_msm75 info:eu-repo/semantics/openAccess Report NonPeerReviewed 2022 ftoceanrep https://doi.org/10.48433/cr_msm75 2023-04-07T16:01:50Z Hotspot-influenced spreading axes are characterized by a shallow axis, thickened crust, and possibly by higher-than-normal eruption frequency, all signs of an excess of magma and heat being supplied to such ridges by the hotspot. Despite this, these ridges are also characterized by an apparently lower-than-average incidence of high-temperature hydrothermal venting, raising questions about their thermal budget. The type example for hotspot-ridge interaction is the Reykjanes Ridge south of Iceland, which shows abnormally shallow bathymetry between the Reykjanes Peninsula at ca. 63°N and the Charlie Gibbs Fracture Zone at 53°N.The seafloor surrounding the present spreading axis is also characterized by V-shaped bathymetric ridges, thoughtto be produced by regions of excess melting migrating along the axis through time. Cruise MSM75aimed to produce geological maps of four key areas along the ridge -one with thickened crust where a V-shaped ridge intersects the present-day axis, one with thickened crust but no on-axis V-shaped ridge anomaly, a third with more normal crustal thickness and an axial valley and a fourth at the only known, but up to present unsampled, Reykjanes hydrothermal site Steinaholl. This geological mapping is to be usedto investigate questions of variations in eruption size or frequency away from Iceland, the interplay between magmatism and tectonism, the axial volcanology of V-shaped ridges and how thick crust is cooled in the apparent paucity of high-temperature vent fields. Report Iceland OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) Reykjanes ENVELOPE(-22.250,-22.250,65.467,65.467) |
institution |
Open Polar |
collection |
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
op_collection_id |
ftoceanrep |
language |
English |
description |
Hotspot-influenced spreading axes are characterized by a shallow axis, thickened crust, and possibly by higher-than-normal eruption frequency, all signs of an excess of magma and heat being supplied to such ridges by the hotspot. Despite this, these ridges are also characterized by an apparently lower-than-average incidence of high-temperature hydrothermal venting, raising questions about their thermal budget. The type example for hotspot-ridge interaction is the Reykjanes Ridge south of Iceland, which shows abnormally shallow bathymetry between the Reykjanes Peninsula at ca. 63°N and the Charlie Gibbs Fracture Zone at 53°N.The seafloor surrounding the present spreading axis is also characterized by V-shaped bathymetric ridges, thoughtto be produced by regions of excess melting migrating along the axis through time. Cruise MSM75aimed to produce geological maps of four key areas along the ridge -one with thickened crust where a V-shaped ridge intersects the present-day axis, one with thickened crust but no on-axis V-shaped ridge anomaly, a third with more normal crustal thickness and an axial valley and a fourth at the only known, but up to present unsampled, Reykjanes hydrothermal site Steinaholl. This geological mapping is to be usedto investigate questions of variations in eruption size or frequency away from Iceland, the interplay between magmatism and tectonism, the axial volcanology of V-shaped ridges and how thick crust is cooled in the apparent paucity of high-temperature vent fields. |
format |
Report |
author |
Devey, Colin Brix, Saskia Barua, Ayushman (Rio) Bodendorfer, Matthias Cuno, Patrick Frutos, Immaculata Huusmann, Hannes Kurbjuhn, Torge Le Saout, Morgane Linse, Katrin Matthiessen, Torge Palgan, Dominik Petersen, Sven Pieper, Martin Rothenbeck, Marcel Steinführer, Anja Tandberg, Anna Helene Taylor, James Thorhallsson, Daniel Tomkowicz, Adriana von Bosse, Thorge Wenzlaff, Emanuel |
spellingShingle |
Devey, Colin Brix, Saskia Barua, Ayushman (Rio) Bodendorfer, Matthias Cuno, Patrick Frutos, Immaculata Huusmann, Hannes Kurbjuhn, Torge Le Saout, Morgane Linse, Katrin Matthiessen, Torge Palgan, Dominik Petersen, Sven Pieper, Martin Rothenbeck, Marcel Steinführer, Anja Tandberg, Anna Helene Taylor, James Thorhallsson, Daniel Tomkowicz, Adriana von Bosse, Thorge Wenzlaff, Emanuel Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES |
author_facet |
Devey, Colin Brix, Saskia Barua, Ayushman (Rio) Bodendorfer, Matthias Cuno, Patrick Frutos, Immaculata Huusmann, Hannes Kurbjuhn, Torge Le Saout, Morgane Linse, Katrin Matthiessen, Torge Palgan, Dominik Petersen, Sven Pieper, Martin Rothenbeck, Marcel Steinführer, Anja Tandberg, Anna Helene Taylor, James Thorhallsson, Daniel Tomkowicz, Adriana von Bosse, Thorge Wenzlaff, Emanuel |
author_sort |
Devey, Colin |
title |
Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES |
title_short |
Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES |
title_full |
Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES |
title_fullStr |
Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES |
title_full_unstemmed |
Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES |
title_sort |
detailed mapping and sampling of the reykjanes ridge, cruise no. msm75, 29 june 2018 - 8 august 2018, reykjavik - reykjavik, reykjanes |
publisher |
Gutachterpanel Forschungsschiffe |
publishDate |
2022 |
url |
https://oceanrep.geomar.de/id/eprint/55725/ https://oceanrep.geomar.de/id/eprint/55725/1/awi_f47a7f292a76322a35d8c7747c5000daa601a0ff.pdf https://doi.org/10.48433/cr_msm75 |
long_lat |
ENVELOPE(-22.250,-22.250,65.467,65.467) |
geographic |
Reykjanes |
geographic_facet |
Reykjanes |
genre |
Iceland |
genre_facet |
Iceland |
op_relation |
https://oceanrep.geomar.de/id/eprint/55725/1/awi_f47a7f292a76322a35d8c7747c5000daa601a0ff.pdf Devey, C. , Brix, S., Barua, A. (., Bodendorfer, M., Cuno, P., Frutos, I., Huusmann, H., Kurbjuhn, T., Le Saout, M. , Linse, K., Matthiessen, T., Palgan, D., Petersen, S. , Pieper, M., Rothenbeck, M., Steinführer, A., Tandberg, A. H., Taylor, J., Thorhallsson, D., Tomkowicz, A., von Bosse, T. and Wenzlaff, E. (2022) Detailed Mapping and Sampling of the Reykjanes Ridge, Cruise No. MSM75, 29 June 2018 - 8 August 2018, Reykjavik - Reykjavik, REYKJANES. Open Access . Maria S. Merian-Berichte, MSM75 . Gutachterpanel Forschungsschiffe, Bonn, 89 pp. DOI 10.48433/cr_msm75 <https://doi.org/10.48433/cr_msm75>. doi:10.48433/cr_msm75 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.48433/cr_msm75 |
_version_ |
1766038491703017472 |