2. Basic components: minerals

These are foreign bodies that always have an anthropic origin. The frequency of artefacts in the soil is generally a good indicator of the intensity of human influence. They are mainly found in the upper horizons of cultivated soils, but they are also present in the original material of some colluvial soils.

They can be fragments of glass, cement, bricks, ceramics, etc.

There is a description of: shape, abundance, internal characteristics and alteration