Ward Chesworth 'Good Soils'

 Ward Chesworth 1982  Late Cenozoic Geology and the Second Oldest Profession.  Geoscience Canada 9(1)  54-61

Geological disturbance leads to good soils (rich in nutrients)-  glaciation leads to loess - and good soils.

Ian Smalley 1984   Good soils and recent geological activity: four maps considered.  New Zealand Soil News  32, 143-146.