That's an interesting shape. Based on reality, or is it more interpretation and mood? I'm sure you'll make something exquisite of it.
It's supposed to be based on reality.
There are a lot f things that need work: the colours, the atmosphere etc. It's procedural so it's no actual place on Mars.
These are some pictures i use for reference. It's hard to find images that show the 'real' colours of the Martian atmosphere.