Little of the soil of planet Earth is older than the Pleistocene and none is older than the Cenozoic, although fossilized soils are preserved from as far back as the Archean.
Little of the soil of planet Earth is older than the Pleistocene and none is older than the Cenozoic, although fossilized soils are preserved from as far back as the Archean.
This is incorrect. Very little of the soil that existed before the Cenozoic has been preserved. There was soil. The wikipedia article you linked states this.