DATABANK:
   
   
   
   
   
   
 
Although primarily designed for haematite harvesting, sulphate-bearing, or other kinds of mineral strata could also be mined in this way, so providing access to other chemical pathways needed in building survival equipment and shelters.

Smelting iron to make steel in the absence of organically derived carbon (coke from coal), can be served by utilising gaseous substitutes rendered on Mars through native CO2, or CO2-derived Methane, as described in the following:
http://www.marspapers.org/papers/Moss_2006_2.pdf

HAEMATITE
MARS SURFACE
METHANE
SABATIER PROCESS

MINERAL DEPOSITS
CARBONATES
IRON ORE
STEEL
STAINLESS STEEL

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