Tessera 51. Cástulo (Linares, Jaén, Spain)

A white tessera with black veins from the archaeological site of Cástulo (Linares, Jaén, Spain). It was recovered from Area 2, next to Building D, which contains the mosaics of Los Amores, Octagons, and Stars. Raman spectroscopy shows the presence of calcite (CaCO3). Elemental analysis indicates a high concentration of CaO (95.30 wt%). This data, along with the identification made through petrographic analysis, allows us to conclude that the raw material used in its manufacture was a metamorphic limestone: a marble.
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Dimensions

: 1 Centimeters

: 1 Centimeters

: 1 Centimeters

Materials

Stone

Temporal

: Roman

: Late 1st ct.-2nd ct. AD

Otros metadatos

Spatial

  • : Cástulo
  • : Linares, Jaén, Spain
  • : WGS84
 

Copyrights

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

References

Sánchez, A, Tuñón, J., Montejo, M., Amate, P., Ceprián, B., Rousaki, A., Costa, M.,Saelens, D., Lycke, S.,Vandenabeele, P. (2021): “First insights into the archaeometric analysis of the Los Amores Mosaic in Cástulo (Linares, Spain): the Judgement of Paris”. Heritage Science, 9.

Castro, M. (coord.) (2014): Cástulo en movimiento: Avances del proyecto Forvm MMX (2011-2012). Revista Siete Esquinas, 6. Número monográfico.

Europeana: ciudad ibero-romana de Cástulo

Digital Resources

  • Tessera 51
    Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)
    Arquiberlab
    http://creativecommons.org/licenses/by-nc-nd/3.0/
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  • Cástulo site
    Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)
    Arquiberlab
    http://creativecommons.org/licenses/by-nc-nd/3.0/
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  • Location of areas and cemeteries
    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 51. Raman analysis 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
    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

University Research Center for Iberian Archaeology

Raman Microscopy

Mineralogical analysis

The tessera was sectioned to expose fresh, unaltered cross-section

Renishaw ‘in via’ Qontor Spectrometer coupled with a confocal Leica DM LM microscope (CICT, University of Jaén), equipped with a diode laser (785 nm, 300 mW), DPSS laser (532 nm, 50 mW) and a Peltier-cooled CCD detector, calibrated to the 520.5 cm-1 line of silicon.

X-Ray Fluorescence

Elemental analysis

The tessera was sectioned to expose fresh, unaltered cross-section

EDAX (model Eagle III) fluorescence spectrometer (CITI, University of Seville). This spectrometer is equipped with a microfocus X-ray tube with an Rh anode, a polycapillary lens for X-ray focussing, and an 80 mm2 energy dispersive Si-(Li) detector. The sample chamber incorporates an XYZ motorized stage for sample positioning. A high resolution microscope is used to position the sample on the desired distance from the polycapillary. To increase the sensitivity of the low Z elements, the sample chamber can be brought under vacuum. For the analysis of the samples, a spot size of 300 μm was chosen at an operating X-ray tube voltage of 40 kV. The tube current was adapted for each sample in order to optimise the detection of X-rays.

Petrographic analysis

Visual characterization (5X handheld magnifying glass) and reaction with HCl to determine its carbonate nature.
 

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