Mmm, nice. I can't decide which is the best of vignette or not, maybe halfway in between would get my vote?
Anyway, what was it, a dry riverbed, to get that kind of erosion?
Wombat, you're from Melbourne aren't you? Ever get over to Tassie? Around Queenstown there's some insanely Alien landscapes, going back there once I get my MF body with a few rolls of Velvia is pretty high up on my list. here
's an example from wikipedia.
(actually, I took some shots like that with a film P&S when i was there maybe 6 years ago, i'll have to see if I can find the negs now that i've got a proper scanner...)