The following data is the result of portable X-ray fluorescence (pXRF), scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM-EDS), and X-ray diffraction (XRD) analyses to geological chert samples from southern Portugal, central Portugal and southern Spain, and archaeological chert samples from the Upper Palaeolithic sequence of the archaeological site of Vale Boi (southern Portugal).
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XRD raw data of geological chert of the Algarve basin
May 13, 2026
Neto Belmiro, Joana Filipa, 2026, "XRD raw data of geological chert of the Algarve basin", https://doi.org/10.57979/SDLM4E, POLEN DataHub, V1, UNF:6:vjjgQrl2Ilh/1+qEFKI0aw== [fileUNF]
This study utilised X-ray diffraction (XRD) to determine the mineral composition of 23 geological powdered samples of chert from the Algarve region. Samples were analysed using a Bruker AXS D8 Discover XRD with the Da Vinci design, equipped with a Cu Kα source operating at 40 kV and 40 mA, and a Lynxeye 1D detector. Scans were conducted from 3° to...
pXRF data of geological and archaeological sample analysis
May 13, 2026
Neto Belmiro, Joana Filipa, 2026, "pXRF data of geological and archaeological sample analysis", https://doi.org/10.57979/198LBU, POLEN DataHub, V1, UNF:6:eEaro99lJ/3Q8tmotBp5oA== [fileUNF]
The following data is the result of portable X-ray fluorescence (pXRF) analyses to geological chert samples from southern Portugal, central Portugal and southern Spain, and archaeological chert samples from the Upper Palaeolithic sequence of the archaeological site of Vale Boi (southern Portugal). Data was acquired using the equipment Bruker Titan...
SEM-EDS data of geological and archaeological sample analysis
May 13, 2026
Neto Belmiro, Joana Filipa, 2026, "SEM-EDS data of geological and archaeological sample analysis", https://doi.org/10.57979/K3OBDC, POLEN DataHub, V1, UNF:6:R7fUX8XwI0jeIEztHbKwYg== [fileUNF]
Polished chips of geological and archaeological samples were analysed with a variable pressure Hitachi S3700N SEM, coupled with a Quantax EDS microanalysis system at the HERCULES laboratory (University of Évora). Specifically, the Quantax system is equipped with a Bruker AXS 5010 XFlash Silicon Drift Detector, which offers a spectral resolution of...
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