Pre-Cambrian rocks of the Torridonian Formation.
Reddish and pinkish till.
Till deposits are generally sandy silt loam with coarser textured (loamy sand) morainic material. Moderate stone content.
Generally rough grazing with some forestry.
Highly variable with morainic mounds within valley bottoms and lower valley sides and rugged valley terrain. Intermediate hill slopes, stepped or ridged with gentle or locally steep slopes.
Inherently acidic with low amounts of basic cations. Trace elements are generally low.
Potential rooting depth around 60cm with induration and/or rock acting as distinct barrier.
Weak structure development in subsoil.
TORRIDON ASSOCIATION : NO NAMED SERIES
Links:
[1] https://www.hutton.ac.uk/sites/default/files/images/explorescotland/es-soil-association-torridon.jpg
[2] https://www.hutton.ac.uk/staff/allan-lilly
[3] https://www.hutton.ac.uk/learning/exploringscotland/introduction
[4] https://www.hutton.ac.uk/learning/exploringscotland/soils
[5] https://www.hutton.ac.uk/learning/exploringscotland/soils/parentmaterial