Tessera 1. Erotes Mosaic. Marroquíes Altos(Jaén, Spain)

Orange-colored tessera belonging to the Mosaic of the Erotes from Marroquíes Altos (Jaén, Spain). Raman analysis indicates the presence of calcite (CaCO3), and XRF analysis shows a high concentration of Ca and smaller amounts of Si and Fe. All of this allows the identification of limestone as the raw material used in the manufacture of the tessera.
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Dimensions

: 1.3 Centimeters

: 0.9 Centimeters

Materials

Stone

Temporal

: Roman

: 2th-4th century AD

Otros metadatos

Spatial

  • : Marroquíes Altos, Erores Mosaic
  • : Jaén, Spain
  • : WGS84
 

Copyrights

Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)

References

Blázquez, J.M. (1981): Mosaicos romanos de Córdoba, Jaén y Málaga. Madrid. Consejo Superior de Investigaciones Científicas.

Ortofoto del mosaico de los Erores

Sánchez, A., Montejo, M., Tuñón, J. et al. (2026): Integrated portable spectroscopy for the analysis of Roman mosaics from Marroquíes Altos, Jaén, Spain. npj Heritage Science, 14, 55

Digital Resources

  • Tessera 1
    Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)
    Arquiberlab
    http://creativecommons.org/licenses/by-nc-nd/3.0/
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  • Tessera 1 in a knotted decorative motif
    Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)
    Arquiberlab
    http://creativecommons.org/licenses/by-nc-nd/3.0/
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  • Erotes mosaic
    Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)
    Arquiberlab
    http://creativecommons.org/licenses/by-nc-nd/3.0/
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  • Tessera 1. Raman spectrum IUIAI-UJA
    Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)
    Arquiberlab
    http://creativecommons.org/licenses/by-nc-nd/3.0/
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  • IUIAI-UJA (pdf file)
    Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)
    Arquiberlab
    http://creativecommons.org/licenses/by-nc-nd/3.0/
    [ver más...] [ver menos]
  • IUIAI-UJA
    Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)
    Arquiberlab
    http://creativecommons.org/licenses/by-nc-nd/3.0/
    [ver más...] [ver menos]

Activities

  • Archaeometric analysis
  • Physical-chemical analysis
  • Tessera. Composition analysis

University Research Center for Iberian Archaeology

Raman Microscopy

Mineralogical analysis

Non destructive. Surface cleaning. Sample pretreatment is not required. Direct measurement.

Portable Raman spectrometer (model BWS445-785S innoRam) equipped with a CCD detector, a handheld fiber-optic probe, an automated MicroBeam tripod, a benchtop stand for small samples, and a BAC151A camera (University Research Institute for Iberian Archaeology, University of Jaén). A 785 nm diode laser (300 mW) was used, with a spectral resolution better than 4.5 cm-1

X-Ray Fluorescence

Elemental analysis

Non destructive. Surface cleaning. Sample pretreatment is not required. Direct measurement.

Portable Olympus Innov-X Delta Premium X-ray fluorescence spectrometer equipped with a rhodium (Rh) anode X-ray tube and a 20 mm2 SDD detector. An aluminum (Al) filter was applied to measure high-Z elements (from Fe onward) using a voltage of 40 kV and a current of 38.7 µA. Without filtering (low-Z elements), a voltage of 10 kV and a current of 50.8 µA can be applied. Measurements were performed in air for 150 s. The X-ray excitation beam was collimated through a window with dimensions of 3×3 mm2
 

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