Fig. 5: Section of mortar sample F2 and cross-sections. 1–2. | npj Heritage Science

Fig. 5: Section of mortar sample F2 and cross-sections. 1–2.

From: Archaeometric characterisation of materials and techniques in Roman wall painting: the Domus of Salvius in Cartagena, Spain

Fig. 5

1–2. Upper part of the sample with the finishing layer (A) and first preparatory layer (B). 3–4 Boundary between first (B) and second (C) preparatory layers 5. The boundary between the second (C) and third (D) preparatory layers. 6 Detail of reaction edge in calcareous aggregate (sparitic limestone). NP parallel nicols, NX crossed nicols, Bi bioclast, Frs sedimentary rock fragment, Frv volcanic rock fragment, Li calcareous granule (lime lump).

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