schist

Schist by: Vu

Properties: Some beutiful minerals growin schist, notably garnet. Schist is red or brown and formed 12-sizes. Crystals up to the sized of the tennis ball. Tacl, a common lubricatin and dusting powder, is dervied from Schist that formed from basalt. Where found: Schist and Gneiss were found around Idaho batholith U.S.A and similar location.

How formed: When rocks such as granites, are change bymoderate heat and temperture after Burials deep in the Earth's crust. Schist formed at depth in continent collison

Intresting fact: By detention, Schist cotains more than 50% platy and enlongated minerals, often finely interleaved with quart and feldspar. Schist is often garmetiferous. When sandstone and Quartzite togheter make Schist and Gneiss collis boundaris