Oh! This project is supereasypeasy and lots of fun. Visit That Artist Woman for a lovely, photo-detailed tutorial.
Science-Sassy Matchy Music: Fossil I mp3, by a very bjorkish-sounding Sky Larkin (via Hits In The Car.)
"...Between the layers of earth we sit, two small creatures caught in grit, we saw sky, we will again, when moved by glacier or hand of man..."