the bedrock
granite
salt & pepper · rode the ice from ontario
The tell
The crystals are scattered at random with no direction to them. If the light and dark minerals line up in bands, it is gneiss, not granite.
"Granite" on a beach is a catch-all. Nobody will argue with you.
What it gets mistaken for
The facts
- also calledsalt & pepper · rode the ice down from ontario
- age~2.7 to 1.1 billion yrs
- where it turns upevery shore · glacial float
- the field markcrystals set random, never combed into stripes
10% of every order goes to northern Michigan animal shelters.