This suggests that you don't know what you're talking about.
The hematite deposits are on Mars, where the active working "fluid" for Martian regolithic processes has been DEMONSTRATED AS FACT by Hoffman to be C02, through his discovery of an image showing active CO2 clathrate outgassing.
LOL. It's apparent that you are just making this crap up out of whole cloth since not even Nick is asserting this.
Refer here for my take on this.
