What is rock? Definition and Examples
Rock is aggregate of one or more minerals. Since the crust of earth is composed of rock, a rock may also be called as a unit of earth crust. Based on the mode of formation rocks can be classified as Igneous, Sedimentary and metamorphic rocks.
Example
- Granite a rock constituting Quartz and Felspar.
- Quartzite – a rock mainly consisting of Quartz.
Rock is aggregate of one or more minerals. Since the crust of earth is composed of rock, a rock may also be called as a unit of earth crust. Based on the mode of formation rocks can be classified as Igneous, Sedimentary and metamorphic rocks.
Example
- Granite a rock constituting Quartz and Felspar.
- Quartzite – a rock mainly consisting of Quartz.