Not this:
This:
That's just a screenshot of the BGS Geology of Britain viewer, you can load the viewer in you browser by clicking here.
You can also generate embed code for sticking interactive maps into blog posts, just like this:
That's where Ken was a few days ago.
The BGS also have a few apps for iPhone and Android, I have both the iGeology and iGeology3D apps on my HTC Wildfire and they've been useful for info when out and about. I'd imaging that they'd look and work really well on an iPad or an Android tablet but I can't verify that as I own neither.
That said, the iGeology app works a treat on the XP laptop when running in the BlueStacks App Player:
Cock of Arran
It's a nice bit of kit to have around if you're into that sort of thing.
If it would work in/with Memory-Map etc. then route-planning according to geological features rather than by topography would be a doddle.