Figure 8 | Scientific Reports

Figure 8

From: Early evidence of fire in south-western Europe: the Acheulean site of Gruta da Aroeira (Torres Novas, Portugal)

Figure 8

Comparison of the magnetic properties of two subsamples of archaeological quartzite cobble (sample ID #104), reddened at one end, possibly the result of heating. (a–c) Sample ID #104_3 (unheated sample); (d–f) Sample ID #104_2d (possibly heated subsample from reddened end). a,d Normalized progressive IRM acquisition curves. b,e Hysteresis cycles. c,f Thermomagnetic curves (magnetization vs. temperature). Heating (cooling) cycles are indicated for each sample.

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