Tessera 1. Cortijo de Los Robles (Jaén, Spain)

White tessera from the mosaic of the villa of Los Robles (Jaén, Spain). Raman analysis indicates the presence of calcite (CaCO3) and quartz (SiO2). Elemental analysis by XRF shows a majority concentration of Ca (74.53 wt%) and Si (17.77 wt %). Consequently, the raw material used in the production of the tessera was limestone with a high silicon content.
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Dimensions

: 0.7 Milimeters

: 1.2 Centimeters

: 1 Centimeters

Materials

Stone

Temporal

: Roman

: Late 2nd-4th centuty AD

Otros metadatos

Spatial

  • : Villa del Cortijo de los Robles
  • : Jaén, Spain
  • : WGS84
 

Copyrights

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

References

López Marcos, A., %26 Buzón Alarcón, M. (2015). La Villa Romana de cortijo de Los Robles (Jaén). ROMULA, (12/13), 379–414. https://www.upo.es/revistas/index.php/romula/article/view/1248

López Marcos, A., Buzón Alarcón, M. (2015). La Villa Romana de cortijo de Los Robles (Jaén). ROMULA, (12/13), 379–414. https://www.upo.es/revistas/index.php/romula/article/view/1248

López Marcos, A., Buzón Alarcón, M. (2015). La Villa Romana de cortijo de Los Robles (Jaén). ROMULA, (12/13), 379–414.

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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  • Villa Los Robles. Pars urbana
    Creative Commons - Attribution, Non-Commercial, No Derivatives (BY-NC-ND)
    Arquiberlab
    http://creativecommons.org/licenses/by-nc-nd/3.0/
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  • Mosaic. Sector 7
    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 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.
 

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