Granite gneiss (metamorphic rock), found in Kitchener. It is over 2,400 million years old. This glacially transported boulder is banded gneiss. One of the layers shows large crystals of quartz and feldspar.
Granite gneiss (metamorphic rock), found in Kitchener. It is over 2,400 million years old. This glacially transported boulder is banded gneiss. One of the layers shows large crystals of quartz and feldspar.
