The Rock Cycle

The rock cycle is the process in which rock types are destroyed and changed into
different rock types. The different types of rocks are the following:

Overview

The first, igneous, is a kind of rock most associated with magma, or typically called lava.
The second, sedimentary
is formed mainly through erosion. The metamorphic rock is the most neutral.
With heat and pressure, any kind of rock can become a metamorphic rock.
This formation can cause rocks like granite, gabbro and dunite.
Depicted below is kimberlite.

Igneous Rocks

"Igneous Rocks" from "Inside Earth" by Prentice-Hall, Inc. states that
"igneous rock is any rock that forms through magma or lava." When magma cools, it creates igneous rocks, and the different variations thereof are caused by different ways of cooling.
This formation can cause rocks like granite, gabbro and dunite.
Depicted below is kimberlite.

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Own work assumed (based on copyright claims)., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=115891

Sedimentary Rocks

When rocks are afflicted by weathering and erosion, they break down.
The broken down rocks are called sediment depositions.
The sediment goes through a phase of cementation, thus compacting the
sediment to the sedimentary rock. This formation can cause rocks such as sandstone, siltstone and shale.
Depicted below is a "banded iron formation".

By No machine-readable author provided. Siim assumed (based on copyright claims).
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Metamorphic Rocks

According to "Metamorphic Rocks" from "Inside Earth" by Prentice-Hall,
Inc. the article says "Every metamorphic rock is a rock that has changed its form." Heat and
pressure mostly contribute to the formation of metamorphic rocks. This formation can cause rocks such as
quartzite, marble, and slate.
Depicted below is gneiss.

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Own work assumed (based on copyright claims)., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=114819

The Eternity of the Rock Cycle

The rock cycle is infinite. One factor to alter a rock or mineral transforms it,
increasing the possibility for alteration. The geological world is that of diversity.


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Bibliography

Jon Bonham & Hailey Axlerod 2017