3. Describe how a clastic sedimentary rock might form from a granite exposed at the surface.

By lithification

Explanation:

Sedimentary rocks (from Latin sedimentum, settlement) are formed by the precipitation and accumulation of mineral matter from a solution or by the compaction of plant and / or animal remains that consolidate into hard rocks. The sediments are deposited, one layer on the other, on the surface of the lithosphere at relatively low temperatures and pressures and can be composed of pre-existing rock fragments of different sizes, resistant minerals, remains of organisms and products of chemical reactions or evaporation.

A preexisting rock exposed on the surface of the earth goes through a Sedimentary Process (erosion or weathering, transport, deposit, compaction and diagenesis) with which it becomes a sedimentary rock; This transformation is known as lithification. Because sedimentary rocks are formed near or on the surface of the earth, their study informs us about the environment in which they were deposited, the type of transport agent and, sometimes, the origin from which the sediments were derived.

Sedimentary rocks are generally classified, according to the way in which they are produced, in detritic or clastic, and chemical or non-clastic; Within the latter, there is a subcategory known as biochemistry

Detritical or Clastic sedimentary rocks:

They are mechanical accumulations of particles or sediments of pre-existing rocks called "detritus" or "clasts" formed by weathering and surface erosion materials; these are transported and finally deposited, so they have a texture called clastic. These rocks are divided into a wide variety of types, which are characterized by the size of their constituent particles