Large Crystals Of Granite Surrounded By Schist

Hornfels gneiss mica schist phylite a possible parent rock for gneiss is.
Large crystals of granite surrounded by schist. After metamorphism the schist is very foliated the minerals of the rock are arranged in layers. Commercial uses of granite include monument stone building stone street curbing and crushed rock aggregate. Granite is a commercially valuable rock in vermont. Most of the this rock contains the mineral mica and is called mica schist.
It can be easily split into thin flakey pieces. Rocks are quarried from many years for various purposes. Schist is a medium grade metamorphic rock with medium to large flat sheet like grains in a preferred orientation. Schist is a foliated metamorphic rock made up of plate shaped mineral grains that are large enough to see with an unaided eye.
You can check out granite vs schist information and. Department of earth atmospheric and planetary sciences. These rocks are composed of many distinct minerals. The granite industry centered in barre has been in operation since the 1800 s.
The large crystals in schist indicate the amount of pressure and temperature that was used to make the rock. Specific this rocks are named for the dominant mineral that is a part of its make up. Quartz sandstone basalt granite limestone what is the term used for a metamorphic texture in which large crystals of garnet surrounded by mica schist matrix. Granite one of the state rocks of vermont is abundant in the northeastern section of vermont.
Schists often have a high luster they are very shiny due to large crystals within the rock.