wichita.edu
…To return to the example of bed thickness, in some cases this parameter may be considered of "low significance" because it appears that certain depositional processes maintain near constant bed thickness through a sequence. Parameters for each criterion and subsets are then defined. For example, for the criterion faunal concentration, the user defines…
https://www.wichita.edu/academics/fairmount_las/geology/wparcell/GeoLOGIC/FuzzyStrat.php