One of my favorite specimens – anhydrite core sample from Oak Island, NS
I have a chance to visit Oak Island in person in April 2019. Oak Island, NS.
Images of Yooperlites from Pebble beach, Marathon, Ontario
Yooperlites from Pebble beach, Marathon, Ontario Yooperlites are an uncommon fine to coarse-grained gray igneous rock named syenite. It is composed mainly of alkali feldspar and ferromagnesian minerals such as hornblende. Yooperlites are…