4. Is a non-foliated metamorphic rock that forms concluded recrystallization below environments of high viscosity and directed pressure. Self-possessed predominantly of amphibole and plagioclase, frequently with very little quartz. About metamorphic rock/Amphibolite
6. This metamorphic rock that contains well industrialized foliation. That frequently comprises significant amounts of mica which permit the rock to split into thin pieces. About Schist
8. I think I would recall this being an Antietam quartzite. – consists of a white to gray like-to medium-grain quartzite. The formation consists of a formation that makes up one of three different components that go along with the Chilhowee group, which part of the lower layers of blue ridged Mountains. About quartzite
10. I think these rocks are both Metamorphic rocks or igneous rocks because that have been malformed by great heat or pressure. And have a quarter like size to them. Discovery: I mostly found the rocks along creeks and the train tracks. About River Rocks