Is Shist Older Than Granite

Properties of rock is another aspect for schist vs slate.

Is shist older than granite.

The best way to learn about rocks is to have specimens available for testing and examination. The second looks like an inclusion of the schist within the granite a piece of schist that was broken off and mixed into the proto granite which i think is also an indication that the schist is older. Schist material is softer than granite so it is hard to cut and cannot provide a detailed edge like granite. Schist is available in black blue brown dark brown green grey silver colors whereas slate is available in black brown buff green light to dark grey purple red shades of blue colors.

To agree with mary the first photo looks to my naive eye like an intrusion of the granite into the schist. Whether you believe it s 500 million years old or a mere 5 777 there s no debating the awesome beauty of your backyard. The process of formation of rocks is different for various rocks. You can check out granite vs schist information and.

After settling into camp on the fourth day i scrambled up a wall of vishnu schist and zoroaster granite. Rocks are quarried from many years for various purposes. The rocks of the vishnu formation predominantly mica schists are the oldest in the grand canyon. In commercial use schists like galaxy and metallica can bring depth shine and personality to a space when traditional granite just doesn t quite have enough umph.

Appearance of schist is layered and shiny and that of slate is dull. These rocks are composed of many distinct minerals. Perhaps the most famous schist lies at the deepest oldest part of the grand canyon the 1 75 billion year old vishnu schist. A schist with chlorite as the dominant visible mineral is known as a chlorite schist the specimen shown is about two inches five centimeters across.

Get a rock mineral or fossil kit to learn more about earth materials. Schist is a medium grade metamorphic rock with medium to large flat sheet like grains in a preferred orientation.