A sandstone rock.


A rock is a naturally occurring solid aggregate consisting of one or more minerals/mineraloids.


Rocks can be classified by several characteristics: mineral and chemical composition, texture, color, permeability.

Rock types refer to the group of 3 types of rocks:

  • Igneous, rocks that are formed through volcanic activity
  • Sedimentary, rocks that are formed by sedimentation of material at the surface and within bodies of water.
  • Metamorphic, sedimentary, igneous, or metamorphic rocks that have undergone a major change

Due note; that a rock can hold characteristics of two or three of these types. It is generally classified into the type that it is more closely related to.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.