Zobrazeno 1 - 10 of 52 pro vyhledávání: '"Alf Lindroos"'
1
Ramped pyrolysis radiocarbon dating of lime lumps: Establishing the earliest mortar-based construction phase of Turku cathedral, Finland
Autor: Gerard T. Barrett, Kerry Allen, Paula J. Reimer, Åsa Ringbom, Jesper Olsen, Alf Lindroos
Publikováno v: Barrett, G T, Allen, K, Reimer, P J, Ringbom, Å, Olsen, J & Lindroos, A 2023, ' Ramped pyrolysis radiocarbon dating of lime lumps : Establishing the earliest mortar-based construction phase of Turku cathedral, Finland ', Journal of Cultural Heritage, vol. 61, pp. 201-210 . https://doi.org/10.1016/j.culher.2023.04.004
Barrett, G T, Allen, K, Reimer, P J, Ringbom, Å, Olsen, J & Lindroos, A 2023, ' Ramped pyrolysis radiocarbon dating of lime lumps: establishing the earliest mortar-based construction phase of Turku cathedral, Finland ', Journal of Cultural Heritage, vol. 61, pp. 201-210 . https://doi.org/10.1016/j.culher.2023.04.004
Ramped pyrolysis radiocarbon dating was carried out on lime lumps from what was believed to be the oldest remains of Turku Cathedral, Finland, the first sacristy. Lumps extracted from bulk mortar from five sampling locations were analysed. For each s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::812cd0681551bf434ef5072e36fcf06c
https://doi.org/10.1016/j.culher.2023.04.004
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2
COMPARISON OF THERMAL DECOMPOSITION AND SEQUENTIAL DISSOLUTION—TWO SAMPLE PREPARATION METHODS FOR RADIOCARBON DATING OF LIME MORTARS
Autor: Thomas Schrøder Daugbjerg, Alf Lindroos, Irka Hajdas, Åsa Ringbom, Jesper V. Olsen
Publikováno v: Daugbjerg, T S, Lindroos, A, Hajdas, I, Ringbom, Å & Olsen, J 2021, ' Comparison of thermal decomposition and sequential dissolution—two sample preparation methods for radiocarbon dating of lime mortars ', Radiocarbon, vol. 63, no. 2, pp. 405-427 . https://doi.org/10.1017/RDC.2020.144
Dating lime mortar samples using the radiocarbon (14C) method can be difficult. This is because the contamination is similar to the primary dating material (CaCO3) and consequently difficult to remove. Mortar can also have late-in-formation pyrogenic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4b18e3d053e735e2adb5e36d62bb486
https://doi.org/10.1017/rdc.2020.144
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3
Radiocarbon dating of lime plaster from a Roman period cistern in ancient Gerasa, Jerash in Jordan
Autor: Thomas Schrøder Daugbjerg, Achim Lichtenberger, Alf Lindroos, Danuta Michalska, Rubina Raja, Jesper Olsen
Publikováno v: Daugbjerg, T S, Lichtenberger, A, Lindroos, A, Michalska, D, Raja, R & Olsen, J 2022, ' Radiocarbon dating of lime plaster from a Roman period cistern in ancient Gerasa, Jerash in Jordan ', Journal of Archaeological Science: Reports, vol. 42, 103373 . https://doi.org/10.1016/j.jasrep.2022.103373
Ancient Gerasa (Jerash, since the Islamic period) is a city with a rich archaeological heritage from prehistory onwards, with the periods from Roman times into the Early Islamic period best attested. A Danish-German team has been working in the North
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1fcaa994d18a474ad5276a40c888431
https://pure.au.dk/portal/da/publications/radiocarbon-dating-of-lime-plaster-from-a-roman-period-cistern-in-ancient-gerasa-jerash-in-jordan(05fd2d41-1491-4ffc-bf3f-bf0e01f4d79b).html
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4
The Roman amphitheatre in Mérida, Spain ˗Augustan or Flavian? Radiocarbon dating results on mortar carbonate
Autor: Thomas Schrøder Daugbjerg, Åsa Ringbom, Jan Heinemeier, Irka Hajdas, Alf Lindroos
Publikováno v: Lindroos, A, Heinemeier, J, Ringbom, Å, Daugbjerg, T S & Hajdas, I 2020, ' The Roman amphitheatre in Mérida, Spain ˗Augustan or Flavian : Radiocarbon dating results on mortar carbonate ', Geochronometria, vol. 47, no. 1, pp. 187-195 . https://doi.org/10.2478/geochr-2020-0028
Geochronometria, 47 (1)
Four lime mortar samples from the Mérida amphitheatre in Spain were dated in 2001 and re-dated in 2019 with refined dating methods and focus on carbon dioxide that was released in late CO2 fractions when dissolved in phosphoric acid. The samples wer
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f68c84e42a0a326d258f7083b1d0a7bd
https://doi.org/10.2478/geochr-2020-0028
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5
Revisiting radiocarbon dating of lime mortar and lime plaster from Jerash in Jordan:Sample preparation by stepwise injection of diluted phosphoric acid
Autor: Thomas Schrøder Daugbjerg, Achim Lichtenberger, Alf Lindroos, Rubina Raja, Jesper Olsen
Publikováno v: Daugbjerg, T S, Lichtenberger, A, Lindroos, A, Raja, R & Olsen, J 2022, ' Revisiting radiocarbon dating of lime mortar and lime plaster from Jerash in Jordan : Sample preparation by stepwise injection of diluted phosphoric acid ', Journal of Archaeological Science: Reports, vol. 41, 103244 . https://doi.org/10.1016/j.jasrep.2021.103244
Ancient Gerasa (its Greco-Roman name)/Islamic Jerash (its later Arab name) is one of the most well-known pre-modern urban sites in northern Jordan, which flourished throughout antiquity and into the early Islamic period. Direct dating of mortar and p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ae8a09fe3ec594e29c8b179443c8618
https://pure.au.dk/portal/da/publications/revisiting-radiocarbon-dating-of-lime-mortar-and-lime-plaster-from-jerash-in-jordan(fc439650-9dbe-4490-a8e0-46d6fa2e4d6a).html
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6
A Chronology of Ancient Earthquake Damage in the Modena Cathedral (Italy): Integrated Dating of Mortars (14C, Pollen Record) and Bricks (TL)
Autor: Elena Silvestri, Laura Panzeri, Giovanna Bosi, Paola Torri, Åsa Ringbom, Marco Martini, Giulia Tirelli, Marta Mazzanti, Anna Galli, Emanuela Sibilia, F. Maspero, Alf Lindroos, Irka Hajdas, Jesper V. Olsen, Stefano Lugli
Publikováno v: International journal of architectural heritage (Online) (2021). doi:10.1080/15583058.2021.1922783
info:cnr-pdr/source/autori:Tirelli G.; Bosi G.; Galli A.; Hajdas I.; Lindroos A.; Martini M.; Maspero F.; Mazzanti M.; Olsen J.; Panzeri L.; Ringbom A.; Sibilia E.; Silvestri E.; Torri P.; Lugli S./titolo:A Chronology of Ancient Earthquake Damage in the Modena Cathedral (Italy): Integrated Dating of Mortars (14C, Pollen Record) and Bricks (TL)/doi:10.1080%2F15583058.2021.1922783/rivista:International journal of architectural heritage (Online)/anno:2021/pagina_da:/pagina_a:/intervallo_pagine:/volume
Tirelli, G, Bosi, G, Galli, A, Hajdas, I, Lindroos, A, Martini, M, Maspero, F, Mazzanti, M, Olsen, J, Panzeri, L, Ringbom, Å, Sibilia, E, Silvestri, E, Torri, P & Lugli, S 2023, ' A Chronology of Ancient Earthquake Damage in the Modena Cathedral (Italy) : Integrated Dating of Mortars ( 14 C, Pollen Record) and Bricks (TL) ', International Journal of Architectural Heritage, vol. 17, no. 2, pp. 326-342 . https://doi.org/10.1080/15583058.2021.1922783
The 15th century cross-vaults of the medieval Modena Cathedral (UNESCO site) consist of intricate patches of different masonry portions bound by three types of lime mortars and at least two types of gypsum mortars. Such anomalous structure suggests m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b98f5154c3754d4e0697c41648a2804
https://hdl.handle.net/11380/1246336
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7
Comparison of sample preparation procedures for mortar radiocarbon dating. Case study of Irulegi Castle (Navarre, Spain)
Autor: Irka Hajdas, Maria Cruz Zuluaga, Åsa Ringbom, Luis Angel Ortega, Juantxo Agirre Mauleon, Graciela Ponce-Antón, Alf Lindroos, Jesper V. Olsen
Publikováno v: Ponce-Antón, G, Lindroos, A, Ringbom, Å, Ortega, L A, Zuluaga, M C, Hajdas, I, Olsen, J & Agirre Mauleon, J 2020, ' Comparison of sample preparation procedures for mortar radiocarbon dating. Case study of Irulegi Castle (Navarre, Spain) ', Quaternary Geochronology, vol. 60, 101110 . https://doi.org/10.1016/j.quageo.2020.101110
A comparison of two different mechanical separation procedures, a settling process and sieving process, was performed in the samples preparation for radiocarbon dating of archaeological lime mortars from the Tower Keep at Irulegi Castle (Navarre, Spa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e287c66c84386117a365414e0d770b1
https://pure.au.dk/portal/da/publications/comparison-of-sample-preparation-procedures-for-mortar-radiocarbon-dating-case-study-of-irulegi-castle-navarre-spain(903d9f61-1bdb-4435-995a-909037d8fe7a).html
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9
Delayed Hardening and Reactivation of Binder Calcite, Common Problems in Radiocarbon Dating of Lime Mortars
Autor: Alf Lindroos, Jesper V. Olsen, Jan Heinemeier, Åsa Ringbom, Irka Hajdas
Publikováno v: Lindroos, A, Ringbom, Å, Heinemeier, J, Hajdas, I & Olsen, J 2020, ' Delayed Hardening and Reactivation of Binder Calcite, Common Problems in Radiocarbon Dating of Lime Mortars ', Radiocarbon, bind 62, nr. 3, s. 565-577 . https://doi.org/10.1017/RDC.2020.5
When sampling mortars for radiocarbon (14C) dating it is crucial to ensure that the sample has hardened rapidly relative the resolution of the dating method. Soft and porous lime mortars usually fulfill this criterion if the samples are taken from an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d37c2c129a54401384232dd39c20b7c1
https://pure.au.dk/portal/da/publications/delayed-hardening-and-reactivation-of-binder-calcite-common-problems-in-radiocarbon-dating-of-lime-mortars(bfd86a9f-6921-43d3-83c7-b11d6640aa28).html
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10
A field guide to mortar sampling for radiocarbon dating*
Autor: Rubina Raja, Gerard Barrett, Thomas Schrøder Daugbjerg, Irka Hajdas, Jesper V. Olsen, Åsa Ringbom, Danuta Michalska, Jan Heinemeier, Alf Lindroos
Publikováno v: Daugbjerg, T S, Lindroos, A, Heinemeier, J, Ringbom, Barrett, G, Michalska, D, Hajdas, I, Raja, R & Olsen, J 2020, ' A field guide to mortar sampling for radiocarbon dating* ', Archaeometry . https://doi.org/10.1111/arcm.12648
Daugbjerg, T S, Lindroos, A, Heinemeier, J, Ringbom, Å, Barrett, G, Michalska, D, Hajdas, I, Raja, R & Olsen, J 2021, ' A field guide to mortar sampling for radiocarbon dating ', Archaeometry . https://doi.org/10.1111/arcm.12648
Daugbjerg, T S, Lindroos, A, Heinemeier, J, Ringbom, Å, Barrett, G, Michalska, D, Hajdas, I, Raja, R & Olsen, J 2021, ' A field guide to mortar sampling for radiocarbon dating ', Archaeometry, vol. 63, no. 5, pp. 1121-1140 . https://doi.org/10.1111/arcm.12648
Archaeometry, 63 (5)
Radiocarbon dating of mortars is a method for absolute dating of historical mortared stone structures. Successful mortar dating studies have answered chronological questions, while other studies have revealed that mortar samples can have complication
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b486f210ba3a046422beb757274d506
https://pure.au.dk/portal/da/publications/a-field-guide-to-mortar-sampling-for-radiocarbon-dating(82d2e1af-d409-4441-ad63-4ea532bdcac7).html
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