Solution Exercise 6
Description of the evolution of porosity/permeability development in the Edwards Aquifer should include karstification in the Cretaceous period and, more importantly, since uplift after the Miocene; the development of fractures; and the formation of karstic conduits. More detailed answers might include the effects of mixing of allogenic recharge waters with water in equilibrium with the aquifer, the effects of mixing along the bad-water line and epikarst processes.