Pillow Rocks – Ely, MN
N 47° 54.424 W 091° 50.821
15T E 586161 N 5306614
This historic 15’ rock outcrop is a wonderful example of Ely greenstone, a “rare ellipsoidal lava flow formed beneath primeval seas 2.7 billion years ago.”
Waymark Code: WMFM30
Location: Minnesota, United States
Date Posted: 11/01/2012
Views: 4
This historic 15’ rock outcrop is a wonderful example of Ely greenstone, a “rare ellipsoidal lava flow formed beneath primeval seas 2.7 billion years ago.” It is volcanic in origin and there are very few specimens like this in the world. It is easily accessible 24/7 and can be seen on the north side of Main Street in the northeast part of town. It is marked with an historical marker sign.
Marker Type:: City
|
Visit Instructions:
A photo of the 'Marker' or 'Plaque' is required to identify the location, plus a picture of the 'Historic Site'.