ESA fly-by of Asteroid Lutetia
http://www.esa.int/esaCP/SEM44DZOFBG_index_0.html
Like other asteroids and the moons of Mars, this one has the same overall sub-parallel layered structure (picked out by differential erosion by small impacts) suggesting it was either part of a larger layered body, or has been stressed by parallel shear during a major impact when it was part of a larger parent body.
The link leads to bigger pix, well worth a look.