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  • Matthews, Bethany E.Pacific Northwest National Laboratory, Richland, WA 99354, USA (author)

Micro- and Nanoscale Surface Analysis of Late Iron Age Glass from Broborg, a Vitrified Swedish Hillfort

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • 2023-01-11
  • Oxford University Press,2023
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:ltu-97068
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-97068URI
  • https://doi.org/10.1093/micmic/ozac032DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Validerad;2023;Nivå 2;2023-05-11 (joosat);Funder: United States Department of Energy (US DOE)
  • Archaeological glasses with prolonged exposure to biogeochemical processes in the environment can be used to understand glass alteration, which is important for the safe disposal of vitrified nuclear waste. Samples of mafic and felsic glasses with different chemistries, formed from melting amphibolitic and granitoid rocks, were obtained from Broborg, a Swedish Iron Age hillfort. Glasses were excavated from the top of the hillfort wall and from the wall interior. A detailed microscopic, spectroscopic, and diffraction study of surficial textures and chemistries were conducted on these glasses. Felsic glass chemistry was uniform, with a smooth surface showing limited chemical alteration (<150 nm), irrespective of the position in the wall. Mafic glass was heterogeneous, with pyroxene, spinel, feldspar, and quartz crystals in the glassy matrix. Mafic glass surfaces in contact with topsoil were rougher than those within the wall and had carbon-rich material consistent with microbial colonization. Limited evidence for chemical or physical alteration of mafic glass was found; the thin melt film that coated all exposed surfaces remained intact, despite exposure to hydraulically unsaturated conditions, topsoil, and associated microbiome for over 1,500 years. This supports the assumption that aluminosilicate nuclear waste glasses will have a high chemical durability in near-surface disposal facilities.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Neeway, James JPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Farias, Lorena NavaPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Marcial, JoséPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Arey, Bruce WPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Soltis, JenniferPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Kovarik, LiborPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Zhu, ZihuaPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Schweiger, Michael JDOE Consultant, Richland, WA 99354, USA (author)
  • Canfield, NathanPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Varga, TamasPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Bowden, Mark EPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Weaver, Jamie L.Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA (author)
  • Mccloy, John SWashington State University, PO Box 642920, Pullman, WA 99164, USA (author)
  • Sjöblom, RolfLuleå tekniska universitet,Geovetenskap och miljöteknik(Swepub:ltu)rolsjo (author)
  • Hjärthner-Holdar, EvaGeoveta AB, Sjöängsvägen 2, 19272 Sollentuna, Sweden (author)
  • Englund, MiaGeoveta AB, Sjöängsvägen 2, 19272 Sollentuna, Sweden (author)
  • Ogenhall, ErikGeoveta AB, Sjöängsvägen 2, 19272 Sollentuna, Sweden (author)
  • Vicenzi, Edward P.Smithsonian Institution, Museum Conservation Institute, 4610 Silver Hill Road, Suitland, MD 20746, USA (author)
  • Corkhill, Claire LDepartment of Materials Science & Engineering, The University of Sheffield, Sheffield S1 3JD, UK (author)
  • Thorpe, ClareDepartment of Materials Science & Engineering, The University of Sheffield, Sheffield S1 3JD, UK (author)
  • Hand, Russell JDepartment of Materials Science & Engineering, The University of Sheffield, Sheffield S1 3JD, UK (author)
  • Peeler, David KPacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Pearce, Carolyn I.Pacific Northwest National Laboratory, Richland, WA 99354, USA (author)
  • Kruger, Albert ADepartment of Energy, Office of River Protection, Richland, WA 99352, USA (author)
  • Pacific Northwest National Laboratory, Richland, WA 99354, USADOE Consultant, Richland, WA 99354, USA (creator_code:org_t)

Related titles

  • In:Microscopy and Microanalysis: Oxford University Press29:1, s. 50-681431-92761435-8115

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