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How are rocks and gems made?

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Answer:

From compaction of sediments over a wide time span

First answer by ID2779123326. Last edit by ID2779123326. Question popularity: 1 [recommend question].

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Can rock be made of other rock?
actually rocks can be made of other rocks ,such as sedimentary rocks.
How are rocks made?
By giving the soil pressure
What are the rocks made of?
If you're talking about rocks in general then Rocks are made of combinations of different minerals.
What is a rock made of?
a rock is made up of different kinds of minerals. A rock may contain hundreds to thousands of different minerals varying the size of the rock. Most people just say rock to not be specific or just to...
How is a rock made?
A rock takes millions of years to form. It is formed underneath the earths crust, where there is immense pressure and heat that compacts minerals to form rocks.