Red floor. Oppidum of Puente Tablas

Red floor located in the area E of the building B, palatial complex of the Iberian oppidum of Puente Tablas (Jaén, Spain). The floor is manufactured with a compacted soil base with a layer of red decoration made with calcite (CaCO3), quartz (SiO2) and hematite (Fe2O3) in high concentratción (12.36 % of Fe according to EDXRF analysis).

New product

Dimensions

: 150 Centimeters

: 150 Centimeters

Materials

Floor

Temporal

: Iberian, Iberians

: 6th ct. BC

Spatial

: Oppidum de Puente Tablas

: Puente Tablas, Jaén, Spain

: WGS84

 

Copyrights

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

References

Ruiz A. y M. Molinos (coord.) (2015): Jaén, tierra ibera. 40 años de investigación y transferencia. Universidad de Jaén.

Tuñón, J.A., Sánchez, A., Parras, D.J., Vandenabeele, P. and Montejo, M. (2016): “Micro-Raman spectroscopy on Iberian archaeological material”. Journal of Raman Spectroscopy. 47: 1514-1521.

Digital Resources

Activities

Archaeometric analysis

Physical-chemical analysis

Floor. Characterization

University Research Center for Iberian Archaeology

Raman Microscopy

Mineral analysis of the red decoration

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

Micro-Raman Spectroscopy (MRS)

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

X-Ray Fluorescence

Elemental analysis of the red decoration

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

Energy dispersive X- ray fluorescence (EDXRF)

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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