Table 2.

The three thermally altered samples and related Munsell’s codes, colour hues and estimated temperature in different areas of the same bone (see also Figs 1 and 2).

Sample	Munsell’s colours code	Colours	Shipman stage (1984)	Temperature estimation °c (shipman, 1984)	Temperature estimation °c (ellingham, 2015)
USM 1
Temporal bone (outer surface)	7.5YR 8/0, 7/0, 6/0, 5/0, 2.5YR 6/0, 5/0, 2.5Y 7/1, 6/1, N9-5/0,10YR 5/1, 10YR 2/1, 2/2, 10R 1.7/1	Grey, brownish gray, blue grey, black/brownish black and reddish black	3	525–645	500–700
Petrous part of the temporal bone	5Y 8/2, 8/3, 8/4, 7/2, 10YR 4/3, 4/4, 4/6, 10YR 3/1, 3/2, 3/3, 10YR 2/1, 2/2, 10R 2/1	Light gray, pale yellow, yellowish brown, brown, brownish black, dark brown, black, reddish black	2	285–525	200–500
Otic capsule (outer surface)	5Y 8/2, 8/3, 8/4, 7/2, 10YR 4/3, 4/4, 4/6, 10YR 3/1, 3/2, 3/3, 10YR 2/1, 2/2, 10R 2/1	Light gray, pale yellow, yellowish brown, brown brownish black, dark brown, black, reddish black	1	20–285	unburnt to 300
USM 2
Temporal bone (outer surface)	5Y 8/2, 8/3, 84, 7/2, 5Y 8/1, 7/1, 6/1, 5/1, 10YR 5/6, 5/8,10YR 3/1, 3/2, 3/3, 10YR 2/1, 2/2, 10R 2/1	Pale yellow, light gray, gray brown yellowish, brownish black, dark brown, black, reddish black	2/3	285–645	300–600
Petrous part of the temporal bone bone + otic capsule	5Y 8/2, 8/3, 8/4, 7/2, 7/3, 7/4	Light gray, light yellow, pale yellow	1	20–285	unburnt to 300
USM 4
Temporal bone (outer surface)	10YR 4/1, 3/1, 3/2, 3/3, 2.5Y 3/2, 10YR 5/1, 5YR 4/1, 5Y 3/1, 3/2, 2/1, 2/2, 5YR 2/1, 2/2, 10YR 2/1, 2/2	Brownish black, dark, brown, brownish gray, black, olive black	3/4	525–940	400–700
Petrous part of the temporal bone	5Y 8/6, 8/8, 7/6,7/8, 10YR 5/6, 5/8, 10YR 4/3, 4/4, 4/6, 5Y 3/1, 3/2, 2/1, 2/2,10YR 2/1, 2/2, 10R 2/1	Yellow, yellowish brown, brown, olive black, black, reddish black	2/3	285–645	300–500
Otic capsule (outer surface)	5Y 8/6, 8/8, 7/6, 7/8	Yellow	1	20–285	unburnt to 300