Previous | Index | Next


Quartzite formerly sandstone, probably a shallow ocean sand deposit from before the continents collided about 400 million years ago. More about the scars.

Pegmatite sample At the final stages of cooling of a magma chamber, the atoms that didn't fit into previous minerals, will be concentrated. In this group of samples, look for long black crystals of tourmaline. More information

Columnar basalt More information

Glacial Potholes at Salmon Falls - glacial meltwater eroded potholes in the bed of the Deerfield River. More information

Previous | Index | Next