supplemental data description
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1. HYDROTHERM_input.ht

HYDROTHERM input to be used in open source hydrotherm software. The simulations were run using HYDROTHERM 3.1.9 on Linux. This is the input file used to make animation 'b2.

Hydrotherm can be downloaded for free at
http://water.usgs.gov/nrp/hydrotherm/
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2. b14_20_S.gif. 

Animation of computer simulation for 20 m x 20 m 10^-14 m2 permeability model. Upper boundary condition is 20 atm. Βlue is fully liquid saturated. White is steam saturated.
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3. b13_20_S.gif. 

Animation of computer simulation for 20 m x 20 m 10^-14 m2 permeability model. Upper boundary condition is 20 atm. Βlue is fully liquid saturated. White is steam saturated.