the bedrock
gneiss
banded stone
The tell
Alternating light and dark BANDS that you can trace across the whole stone. Granite is speckled with no grain; gneiss has a grain.
The bands are not sediment layers. They are minerals that separated under enormous pressure, which is why they can fold and swirl.
What it gets mistaken for
- granite
- schist
- banded slag
The facts
- also calledbanded stone
- age~1+ billion yrs
- where it turns upevery shore ยท glacial float
- on the chartthe bedrock · 1000 stickers ever
Put it on the shelf
Every stone on this chart is drawn and kiss-cut at three inches. The rarer the stone, the fewer exist: only 1000 gneiss will ever be printed, then the run is retired.
10% of every order goes to the Roscommon County Animal Shelter.