Fig. 10: Photographs and XRD pattern of soil grime.
a Soil grime on SP-1 sample surface; b soil grime under OM; c XRD pattern of soil grime composition.
Fig. 10: Photographs and XRD pattern of soil grime. | npj Heritage Science
a Soil grime on SP-1 sample surface; b soil grime under OM; c XRD pattern of soil grime composition.
