Mössbauer Studies of Haltern 70 Amphorae from Castro do Vieito, Northwest of Portugal

Haltern 70 amphorae sherds from Castro do Vieito, a Roman settlement from the NW of Portugal occupied during the early imperial period, were studied by Mössbauer spectroscopy at room temperature and 4.2 K, XRD, and XRF, aiming to understand the firing conditions of their production. Firing in air at...

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Bibliographic Details
Published in:Crystals (Basel) 2024-09, Vol.14 (9), p.786
Main Authors: Costa, Benilde F.O, Wagner, Friedrich E, Häusler, Werner, Stieghorst, Christian, Silva, Antonio Jose Marques da
Format: Article
Language:English
Subjects:
Castro do Vieito excavations
Clay
Haltern 70 amphorae
Historic artifacts
Mossbauer spectroscopy
Mössbauer spectroscopy
Observations
Oxidation
Room temperature
Spectrum analysis
Vases
X-ray diffraction
X-ray fluorescence
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Summary:Haltern 70 amphorae sherds from Castro do Vieito, a Roman settlement from the NW of Portugal occupied during the early imperial period, were studied by Mössbauer spectroscopy at room temperature and 4.2 K, XRD, and XRF, aiming to understand the firing conditions of their production. Firing in air at 750 and 800 °C were performed in a sherd that was carefully studied. Also, a handle with part of the neck attached and with the potter’s stamp “LH …” was studied. In general, it can be deduced that the amphorae were fired under reducing conditions between 800 and 950 °C, having been subjected to an oxidation process only when already cooling. It was also inferred that the provenance of all the Haltern 70 amphorae found in Castro do Vieito is probably the same and that the stamped amphora also seems to come from the same locality.
ISSN:2073-4352
2073-4352
DOI:10.3390/cryst14090786