10 palynological samples taken from lower levels (older than 72,000 years). Partly sterile or very corrosive. Interesting presence of hornbeam (Carpinus) mixed with steppics in a sample.
Archaeologiocal site. Plain in edge of a lake. 4 palynological samples.
5 palynological samples at the heart of the main burial ground. Almost sterile.
A single palynological sample from a layer of calcareous tuff. Sterile.
A single palynological sample from carbonates in a Roman aqueduct. Poor but exploitable.
Two palynological samples taken from a carbonate inking in the Gallo-Roman aqueduct of Poitiers. Poor.