Permeability is how easily fluid or gases can move through the void space in a rock.
Tohu ai te pōareare i te rerenga o ngā wai rānei, o ngā hau rānei mā roto i ngā wāhanga hemahema o te toka.
The refilling of the reservoir here with geothermal liquids is quite quick due to the permeability of the rocks.
Kātahi te tere o te whakakī i te māpuna o konei ki ngā waiwhatu i te pōareare o ngā toka!
