A Volcano Diagram In Rocks. Although they might seem rather permanent rocks actually change over the course of millions of years as part of what scientists call the rock cycle. The diagram below shows the main features of a volcano.
1 2. The earths crust is composed of enormous sections of rock called tectonic plates. The four layers the earth is composed of four different layers.
It can also come in the form of lava.
Sedimentary rocks are formed from the cementing together of sediments or from the compaction squeezing together of sediments or from the recrystallization of new mineral grains which are larger than the original. The igneous rock gets. A flow diagram and a yearly timeline. This magma will also cool but at a much slower rate than lava erupting from a volcano.