Pliocine Marl
Six million years old
A silty clayey soil with coarse inclusions
Red to pale beige in colour
Free draining.
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Sandstone and sandy marl
Origine : Eocène,
From the Eocene period 20 - 65 million years ago
A chalky-clayey soil
Beige-ochre in colour
Reasonably free draining. |
Villafranchine Terraces
from the Quaternary period 1 - 3 million years ago
soil made up of silica pebbles with gravel and silty sandy clay
Reddish in colour
Very free draining.
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