Ceramic vessel 8. Horno del Guadalimar

Iberian ceramic vessel from the Horno del Guadalimar (Lupión, Jaén, Spain). Oxidising atmosphere. Decoration with dark red and light red/orange lines and bands. The red color is obtained using hematite (Fe2O3).The high concentration of Fe in the dark lines (44.33% wt by EDXRF) indicates an extra addition of iron ore to the clay mixture used for the decoration. The light red/orange color is likely made using a iron rich clay (8.46% wt of Fe according to analysis by EDXRF).

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Dimensions

: 5.5 Centimeters

: 3 Centimeters

Materials

pottery

Temporal

: Iberians, Iberian

: 4th-3rd ct. BC

Spatial

: Horno del Guadalimar

: Lupión, Jaén, Spain

: WGS84

 

Copyrights

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

References

Roca, M. (1975): “Un horno doméstico pre-romano en Guadalimar del Caudillo, Jaén”. Pyrenae, 11: 171-172.

Horno de Guadalimar. Patrimonio Inmueble de Andalucía.

Digital Resources

Activities

Archaeometric analysis

Physical-chemical analysis

Ceramic. Analysis of decoration

University Research Center for Iberian Archaeology

Raman Microscopy

Mineral analysis of the dark and light red/orange 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 dark and light red/orange 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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