What Are The Examples Of Metamorphic Rocks? (Answer)
EXAMPLES OF METAMORPHIC ROCKS – In this topic, we will now know the following examples of metamorphic rocks, one of the three types of rocks.
Meaning
Metamorphic rocks are the type of rocks which are formed under the surface of the earth from the change that happens due to intense heat, pressure or other natural agencies.
The process that they go through is called metamorphism, which means to change in form and where its name came from.
Examples
- Marble
- This rock is formed when limestone is subjected to metamorphism. It is composed of mineral calcite or CaCO3 and also contains other minerals like clay, micas, quartz, pyrite, iron oxides and graphite.
- Gneiss
- A high grade rock or a rock that has been subjected to higher temperatures. Formed by the metamorphosis of granite.
- Schist
- A coarse-grained rock which is composed of layers of various materials. It is formed from the metamorphosis of mudstone or shale
- Quartzite
- A hard, non-foliated rock which is formerly pure quartz sandstone, which eventually underwent metamorphosis.
- Granulite
- High-grade rocks that is composed of feldspars and is sometimes akin to a quartz and anhydrous ferromagnesian minerals, with granoblastic texture and gneissose to massive structure.
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