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3 years ago

Describe what needs to occur in order for a metamorphic rock to form.

Biology

1 answer:

katovenus [111]3 years ago

8 0

Answer:

Any sort of prexisting rock whether sedimentary, igneous, or even metamorphic rock must change under extreme conditions like extreme heat or pressure.

Explanation:

An igneous rock is a rock that has been created via cooling of magma.

A sedimentary rock is formed from sediments, whether they be natural like seashells, or other pieces of older rocks that have worn away. usually formed under pressure.

A metamorphic rock is a rock that's changed, because it was put under extreme pressure or exposed to extreme heat.

Think of the part morphic in the word metamorphic-it literally means that it morphed or that it changed dramatically.

There are two ways for a rock to become metamorphic under extreme pressure or extreme heat. and there are two types of metamorphic rocks, contact metamorphism and regional metamorphism.

Those mean pretty much exactly what they say.

If you have any more questions, ask, but i think I covered the most important parts of the answer.

best of luck

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Explanation:

Generally, rocks are of three main types viz: Igneous, sedimentary and metarmophic rocks. Based on the question, the sedimentary rocks are that group of rocks formed by the coming together of sediments.

Sedimentary rocks can be formed in the following steps;

1. Rocks that have existed before undergoes weathering i.e. are broken down into smaller particles called sediments.

2. These sediments are then transported by currents e.g water

3. Deposited sediments accumulate and gathered round.

4. The accumulated sediments become compacted i.e. squashed and cemented i.e. stick together to form the sedimentary rock, in a process collectively lithification.

Hence, compaction and cementation (lithification) are the next steps in the process of sedimentary rocks formation after deposition.

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Answer:

Explanation:

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