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First directional European palaeo secular variation curve for the Neolithic based on archaeomagnetic data

dc.contributor.authorCarrancho Alonso, Ángel
dc.contributor.authorVillalain, J.J.
dc.contributor.authorPavón Carrasco, Francisco Javier
dc.contributor.authorOsete López, María Luisa
dc.contributor.authorStraus, Lawrence Guy
dc.contributor.authorVergès, Josep María
dc.contributor.authorCarretero, José Miguel
dc.contributor.authorAngelucci, D.E.
dc.contributor.authorGonzález Morales, M.R.
dc.contributor.authorArsuaga Ferreras, Juan Luis
dc.contributor.authorBermúdez de Castro, José María
dc.contributor.authorCarbonell i Roura, Eudald
dc.date.accessioned2023-06-19T13:25:35Z
dc.date.available2023-06-19T13:25:35Z
dc.date.issued2013
dc.description.abstractNeolithic, Cha1colithic and Bronze Age anthropogenic cave sediments from three caves from northern Spain have been palaeomagnetically investigated. 662 oriented specimens corresponding to 39 burning events (ash-carbonaceous couplets) from the three sites with an average of 16 samples per fire were collected. 26 new archaeomagnetic directions have been obtained for the time period ranging from 5500 to 2000 yr ca!. BC. These results represent the oldest archaeomagnetic directions obtained from burnt archaeological materials throughout all Western Europe. Magnetisation is carried by pseudo-singie domain low-coercivity ferromagnetic minerals (magnetite, magnetite with no significant isomorphous substitution and/or maghaemite). Rock-magnetic experiments indicate a thermoremanent origin of the magnetisation although a thermochemical magnetisation cannot be excluded. Combination of the new data presented here and the recent updated Bulgarian database allows us to propose the first European palaeosecular variation (PSV) curve for the Neolithic. A bootstrap method was applied for the curve construction using penalised cubic B-splines in time. The new palaeosecular variation curve is well constrained from 6000 BC to 3700 BC, the period with the highest density of data, showing a declination maximum around 4700 BC and a minimum in inclination at 4300 BC, which are not recorded by the recent global CALSlOK.1 b and regional SCHA.DIF.8K models due to the use of lake sediment data. Dating resolution by using the proposed PSV curve oscillates from approximately ±30 yr to ±200 yr for the period 6000 to 1000 yr BC, reaching similar resolution as radiocarbon dating. Considering the good preservation, age-control and widespread occurrence of burnt archaeological materials across Southern Europe, they represent a new source of data for geomagnetic field modelling, as well as for archaeomagnetic dating.
dc.description.departmentDepto. de Geodinámica, Estratigrafía y Paleontología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/26852
dc.identifier.doi10.1016/j.epsl.2013.08.031
dc.identifier.issn0012-821X
dc.identifier.officialurlhttp://www.journals.elsevier.com/earth-and-planetary-science-letters
dc.identifier.urihttps://hdl.handle.net/20.500.14352/33649
dc.journal.titleEarth and Planetary Science Letters
dc.language.isoeng
dc.page.final137
dc.page.initial124
dc.publisherElsevier Science B.V., Amsterdam
dc.rights.accessRightsopen access
dc.subject.cdu56
dc.subject.keywordSecular variation
dc.subject.keywordArchaeomagnetism
dc.subject.keywordRrock-magnetism
dc.subject.keywordThermoremanence
dc.subject.keywordNeolithic
dc.subject.keywordArchaeology
dc.subject.ucmPaleontología
dc.subject.unesco2416 Paleontología
dc.titleFirst directional European palaeo secular variation curve for the Neolithic based on archaeomagnetic data
dc.typejournal article
dc.volume.number380
dspace.entity.typePublication
relation.isAuthorOfPublicationa0496963-c243-45b4-9f04-1132ca35e462
relation.isAuthorOfPublicatione128b2ef-57f6-4263-91f3-58fdfc288c15
relation.isAuthorOfPublicationd8e770fc-0ebe-43f3-9966-3a7d5cbd2353
relation.isAuthorOfPublication.latestForDiscoverya0496963-c243-45b4-9f04-1132ca35e462

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