1. the geological setting of a sandstone deposition environment has the source of the sand coming from the south. the sand grain sizes get smaller and the sorting gets better as you progress north from the sand source. (a) what can you say about the permeability distribution from south to north? why? (b) what can you say about the porosity distribution from south to north? why?

northern hill zone (nhz)

western himalayan regions of j& k (except jammu and kathua distt.); h.p. (except una and paonta valley); uttaranchal (except tarai area); sikkim and hills of west bengal and n.e. states

north western plains zone (nwpz)

punjab, haryana, delhi, rajasthan (except kota and udaipur divisions) and western up (except jhansi division), parts of j& k (jammu and kathua distt.) and parts of hp (una dist. and paonta valley) and uttaranchal (tarai region)