Entrance arch construction descendery

Cinabrifero identified the field, it was following with deep "wells and tunnels" from which came off the "level galleries" that delimited height.

For its "cultivation" (ie for the systematic excavation of the mineral "put ahead"), in mines Amiatine different systems have been adopted in relation to:
- The characteristics of the field,
- The distribution of the mineralization in cinnabar,
- The need to reduce the losses of a particularly valuable mineral,
- To be able to obtain high yields in the presence of a low content of mercury minerals.