Terroir Soil Wood Vines Metamorphosis
[-0 cm]

Haut-Brion Soil Section

[-20 cm] Grey gravelly-sandy layer retilled during cultivation - round coarse quartz elements - no roots.
  Layer of same type, but silghtly lighter and poorer in organic matter - large number of tall roots.
[-60 cm] Limit of tilling prior to planting.
  Red-brown layer untouched by man.
The texture is slightly more clayey than in the first two horizons, particularly in the upper part (-65 - 90). Few roots.
[-120 cm]