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dc.contributor.authorTrigo Rodríguez, Josep María
dc.contributor.authorLlorca, Jordi
dc.contributor.authorWeyrauch, Mona
dc.contributor.authorBischoff, Addi
dc.contributor.authorMoyano Cambero, Carles E.
dc.contributor.authorKeil, Klaus
dc.contributor.authorLaubenstein, Matthias
dc.contributor.authorPack, Andreas
dc.contributor.authorMadiedo Gil, José María 
dc.contributor.authorAlonso Azcárate, Jacinto
dc.contributor.authorRiebe, My
dc.contributor.authorWieler, Rainer
dc.contributor.authorOtt, Uli
dc.contributor.authorTapia, Mar
dc.contributor.authorMestres, Narcís
dc.date.accessioned2014-09-09T10:13:10Z
dc.date.available2014-09-09T10:13:10Z
dc.date.issued2014
dc.identifier.citationTrigo Rodríguez, J.M., Llorca, J., Weyrauch, M., Bischoff, A., Moyano Cambero, C.E., Keil, K., Laubenstein, M., Pack, A., Madiedo Gil, J.M., Alonso Azcárate, J., Riebe, M., Wieler, R., Ott, U., Tapia, M., Mestres, N.: "The Ardón L6 ordinary chondrite : a long-hidden Spanish meteorite fall". Meteoritics and Planetary Science. Vol. 49, N. 8, págs. 1475–1484 (2014). ISSN 1086-9379en_US
dc.identifier.issn1086-9379
dc.identifier.issn1945-5100 (electrónico)
dc.identifier.urihttp://hdl.handle.net/10272/8767
dc.description.abstractWe report and describe an L6 ordinary chondrite fall that occurred in Ardón, León province, Spain (longitude 5.5605°W, latitude 42.4364°N) on July 9th, 1931. The 5.5 g single stone was kept hidden for 83 yr by Rosa Gonzólez Perez, at the time an 11 yr old who had observed the fall and had recovered the meteorite. According to various newspaper reports, the event was widely observed in Northern Spain. Ardón is a very well-preserved, fresh, strongly metamorphosed (petrologic type 6), and weakly shocked (S3) ordinary chondrite with well-equilibrated and recrystallized minerals. The mineral compositions (olivine Fa23.v±o.3, low-Ca pyroxene Fs2o.4±o.2WoL5±o.2, plagioclase An10.3i0.5Ab84.3iL2), magnetic susceptibility (log v = 4.95 i 0.05 x 10-9 m3 kg-1), bulk density (3.49 i 0.05 g cm-3), grain density (3.58 i 0.05 g cm-3), and porosity (2.5 vol%) are typical for L6 chondrites. Short-lived radionuclides confirm that the meteorite constitutes a recent fall. The 21Ne and 38Ar cosmic ray exposure ages are both about 20-30 Ma, similar to values for many other L chondrites. The cosmogenic 22Ne/21Ne ratio indicates that preatmospheric Ardón was a relatively large body. The fact that the meteorite was hidden in private hands for 83 yr makes one wonder if other meteorite falls may have experienced the same fate, thus possibly explaining the anomalously low number of falls reported in continental Spain in the 20th century.
dc.language.isoengen_US
dc.publisherMeteoritical Societyen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.titleThe Ardón L6 ordinary chondrite : a long-hidden Spanish meteorite fallen_US
dc.typeinfo:eu-repo/semantics/articleen_US
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen_US


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