Some of the definitions of rubric are contradictory In general, a rubric is a scoring guide used in subjective assessments A rubric implies that a rule defining the criteria of an assessment system is followed in evaluation Arubric can be an explicit description of performance characteristics corres-ponding to a point on a rating scale A scoring rubric makes explicit ex-pected qualities of performance on a rating scale or the definition of a single point on a scale
having a B horizon (or a horizon immediately below the A horizon) with a dominant Munsell colour hue redder than 10YR and/or a moist chrome of 5 or more (in Arenosols only)