what is a rock? name three types of rock and explain any two
Answers
Answer:
Earth > If Rocks Could Talk > Three Types of Rock
Igneous rocks are formed from melted rock deep inside the Earth.
Sedimentary rocks are formed from layers of sand, silt, dead plants, and animal skeletons.
Metamorphic rocks formed from other rocks that are changed by heat and pressure underground.
Answer:
Rocks are mineral aggregates with a combination of properties of all the mineral traces. Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe rock types.
There are three types of rocks:
Igneous Rocks-The sedimentary rocks are formed by the deposition and subsequent cementation of that material within bodies of water and at the surface of the earth.
Sedimentary Rocks-The sedimentary rocks are formed by the deposition and subsequent cementation of that material within bodies of water and at the surface of the earth.
Metamorphic Rocks-The metamorphic rocks make up a large part of the Earth’s crust and are classified by texture and by chemical and mineral assemblage. They may be formed simply by being deep beneath the Earth’s surface, subjected to high temperatures and the great pressure of the rock layers above it.
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