Is Shist Older Than Granite

Appearance of schist is layered and shiny and that of slate is dull.

Is shist older than granite.

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. These rocks are composed of many distinct minerals. After settling into camp on the fourth day i scrambled up a wall of vishnu schist and zoroaster granite. The light colored igneous rock has been used in both interior and exterior designs.

Perhaps the most famous schist lies at the deepest oldest part of the grand canyon the 1 75 billion year old vishnu schist. 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. Although you cannot get the same sparkle look with granite. Whether you believe it s 500 million years old or a mere 5 777 there s no debating the awesome beauty of your backyard.

You can check out granite vs schist information and. The process of formation of rocks is different for various rocks. Schist material is softer than granite so it is hard to cut and cannot provide a detailed edge like granite. Schist is a medium grade metamorphic rock with medium to large flat sheet like grains in a preferred orientation.

To agree with mary the first photo looks to my naive eye like an intrusion of the granite into the schist. Rocks are quarried from many years for various purposes. Properties of rock is another aspect for schist vs slate. 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.

The rocks of the vishnu formation predominantly mica schists are the oldest in the grand canyon. The best way to learn about rocks is to have specimens available for testing and examination.