Sedimentary because it is made of layers of sediment and fossils can easily get mixed in
The patients skin laceration healed nicely leaving a cicatrix, which is a scar.
A cicatrix is the scar of a healed wound - when you have a deep wound, and it gets stitched/heals on its own, after a while, that wound is going to transform into a cicatrix, which is just a fancy medical term for a scar.
The climate? That would fit I suppose.
