Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)

Different attempts to date the archaeological site of Cañada Real (Northern Spain) with radiocarbon yielded contrasting results, ranging from the Bronze Age to medieval times. During the archaeological interventions carried out there, a well-preserved burned surface was discovered. The burned sedime...

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Autores: Vernet Tarrago, Eva, Carrancho Alonso, Ángel, Calvo Rathert, Manuel, Yamamoto, Yuhji, Jorge Villar, Susana E., Bógalo Román, Mª Felicidad, Palomino, Ángel
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Universidad de Burgos (UBU)
Repositorio:Repositorio Institucional de la Universidad de Burgos (RIUBU)
OAI Identifier:oai:riubu.ubu.es:10259/10671
Acceso en línea:https://hdl.handle.net/10259/10671
Access Level:acceso abierto
Palabra clave:Archaeomagnetism
Archaeomagnetic dating
Archaeointensity
Medieval period
Thermoremanence
Magnetismo
Arqueología
Magnetism
Archaeology
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spelling Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)Vernet Tarrago, EvaCarrancho Alonso, ÁngelCalvo Rathert, ManuelYamamoto, YuhjiJorge Villar, Susana E.Bógalo Román, Mª FelicidadPalomino, ÁngelArchaeomagnetismArchaeomagnetic datingArchaeointensityMedieval periodThermoremanenceMagnetismoArqueologíaMagnetismArchaeologyDifferent attempts to date the archaeological site of Cañada Real (Northern Spain) with radiocarbon yielded contrasting results, ranging from the Bronze Age to medieval times. During the archaeological interventions carried out there, a well-preserved burned surface was discovered. The burned sediments of this surface offered the opportunity to conduct full-vector archaeomagnetic dating to elucidate the age of the studied site. For determination of an archaeomagnetic intensity, two different methods (Thellier-Coe and Tsunakawa-Shaw) were applied to test their suitability and compare their reproducibility. Raman spectroscopy and rock magnetism revealed that the main magnetization carrier is magnetite, with varying concentrations of hematite and goethite. A good correlation is observed between high Qn ratio values (typically > 6) and strongly magnetic as well as stable orthogonal demagnetization diagrams of the natural remanent magnetization. The full-vector was recovered with a mean direction of Declination = 17.7°, Inclination = 54.0°, α95 = 3.2°, k = 309.2 and a mean intensity of 38.1 ± 9.0 µT. Comparison to the SCHA.DIF.4 k geomagnetic field model yielded a single dating interval of 995–1125 CE at 95 % confidence level. This result accurately dates one of the phases of abandonment of the site and coincides with some historically documented Muslim razzias, demonstrating the usefulness of the archaeomagnetic technique to reconstruct the occupational history of archaeological sites with burned remains.We would like to acknowledge Cañada Real excavation staff for their help in the sampling campaign, as well as Caleruega municipal council. This research has been supported by project PID2019105796GB-I00 of the Agencia Estatal de Investigación and project BU037P23 of the Junta de Castilla y León and the European Regional Development Fund. Eva Vernet Tarragó acknowledges funding from PRE2020-094803 (Agencia Estatal de Investigación) contract.Elsevier202520252025info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/10259/10671reponame:Repositorio Institucional de la Universidad de Burgos (RIUBU)instname:Universidad de Burgos (UBU)InglésJournal of Archaeological Science: Reports. 2025, V. 66, 105278https://doi.org/10.1016/j.jasrep.2025.105278info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-105796 GB-I00info:eu-repo/grantAgreement/Junta de Castilla y León//BU037P23info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PRE2020-094803Atribución-NoComercial 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccessoai:riubu.ubu.es:10259/106712026-05-28T07:56:11Z
dc.title.none.fl_str_mv Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)
title Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)
spellingShingle Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)
Vernet Tarrago, Eva
Archaeomagnetism
Archaeomagnetic dating
Archaeointensity
Medieval period
Thermoremanence
Magnetismo
Arqueología
Magnetism
Archaeology
title_short Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)
title_full Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)
title_fullStr Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)
title_full_unstemmed Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)
title_sort Using archaeomagnetism to unravel the occupational history of a medieval site: Cañada Real (Burgos, Northern Spain)
dc.creator.none.fl_str_mv Vernet Tarrago, Eva
Carrancho Alonso, Ángel
Calvo Rathert, Manuel
Yamamoto, Yuhji
Jorge Villar, Susana E.
Bógalo Román, Mª Felicidad
Palomino, Ángel
author Vernet Tarrago, Eva
author_facet Vernet Tarrago, Eva
Carrancho Alonso, Ángel
Calvo Rathert, Manuel
Yamamoto, Yuhji
Jorge Villar, Susana E.
Bógalo Román, Mª Felicidad
Palomino, Ángel
author_role author
author2 Carrancho Alonso, Ángel
Calvo Rathert, Manuel
Yamamoto, Yuhji
Jorge Villar, Susana E.
Bógalo Román, Mª Felicidad
Palomino, Ángel
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Archaeomagnetism
Archaeomagnetic dating
Archaeointensity
Medieval period
Thermoremanence
Magnetismo
Arqueología
Magnetism
Archaeology
topic Archaeomagnetism
Archaeomagnetic dating
Archaeointensity
Medieval period
Thermoremanence
Magnetismo
Arqueología
Magnetism
Archaeology
description Different attempts to date the archaeological site of Cañada Real (Northern Spain) with radiocarbon yielded contrasting results, ranging from the Bronze Age to medieval times. During the archaeological interventions carried out there, a well-preserved burned surface was discovered. The burned sediments of this surface offered the opportunity to conduct full-vector archaeomagnetic dating to elucidate the age of the studied site. For determination of an archaeomagnetic intensity, two different methods (Thellier-Coe and Tsunakawa-Shaw) were applied to test their suitability and compare their reproducibility. Raman spectroscopy and rock magnetism revealed that the main magnetization carrier is magnetite, with varying concentrations of hematite and goethite. A good correlation is observed between high Qn ratio values (typically > 6) and strongly magnetic as well as stable orthogonal demagnetization diagrams of the natural remanent magnetization. The full-vector was recovered with a mean direction of Declination = 17.7°, Inclination = 54.0°, α95 = 3.2°, k = 309.2 and a mean intensity of 38.1 ± 9.0 µT. Comparison to the SCHA.DIF.4 k geomagnetic field model yielded a single dating interval of 995–1125 CE at 95 % confidence level. This result accurately dates one of the phases of abandonment of the site and coincides with some historically documented Muslim razzias, demonstrating the usefulness of the archaeomagnetic technique to reconstruct the occupational history of archaeological sites with burned remains.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/10259/10671
url https://hdl.handle.net/10259/10671
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Journal of Archaeological Science: Reports. 2025, V. 66, 105278
https://doi.org/10.1016/j.jasrep.2025.105278
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-105796 GB-I00
info:eu-repo/grantAgreement/Junta de Castilla y León//BU037P23
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PRE2020-094803
dc.rights.none.fl_str_mv Atribución-NoComercial 4.0 Internacional
http://creativecommons.org/licenses/by-nc/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial 4.0 Internacional
http://creativecommons.org/licenses/by-nc/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositorio Institucional de la Universidad de Burgos (RIUBU)
instname:Universidad de Burgos (UBU)
instname_str Universidad de Burgos (UBU)
reponame_str Repositorio Institucional de la Universidad de Burgos (RIUBU)
collection Repositorio Institucional de la Universidad de Burgos (RIUBU)
repository.name.fl_str_mv
repository.mail.fl_str_mv
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