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sasho [114]
3 years ago
12

Match each rock with the correct description.

Physics
2 answers:
liberstina [14]3 years ago
8 0

Answer:

1- Extrusive igneous rock

2- Intrusive igneous rock

3- Organic sedimentary rocks

4- Clastic sedimentary rocks

5- Chemical sedimentary rock

6- Metamorphic rock

Explanation:

Extrusive igneous rock- This are the igneous rocks that are formed when magma ejects out to the surface and quickly solidifies. Since they comes out to the surface, so they are considered to be extrusive igneous rocks. This type of rocks are comprised of smaller crystals due to the faster rate of cooling. For example, basalt.

Intrusive igneous rock- This are the type of igneous rocks that are formed due to the crystallization of magma at a certain depth. This rocks are made up of coarser crystals due to the slow rate of cooling. For example, granite.

Organic sedimentary rocks- This are the type of sedimentary rocks that are comprised of fossil or organic compound. These fossils are trapped about millions of years back. This type of rocks containing fossils are important for determining the past environment, climate and food habitat of these fossil organisms. For example Limestone.

Clastic sedimentary rocks- This are the sedimentary rocks that are formed from the compaction and lithification of loose sediments or broken rock materials. For example, sandstone.

Chemical sedimentary rock- This are the type of sedimentary rocks that are formed from the minerals (crystals). This minerals are made up of the elements that undergoes dissolution in water. For example, oolitic limestone.

Metamorphic rock- This are the secondary rock, either derived from the igneous, sedimentary or other metamorphic rock. These rocks are formed due to the extreme pressure, temperature condition. They are also known as the secondary rocks. For example, Quartzite.

xeze [42]3 years ago
5 0

Answer:

Explanation:

1. cools quickly on the earth's surface

Extrusive igneous rock

2. cools slowly beneath the earth's surface

Intrusive igneous rock

3. formed from the remains of living organisms

Organic sedimentary rocks

4. formed from pieces of other rocks cemented together

Clastic sedimentary rock

5. formed when dissolved minerals harden

Chemical sedimentary rock

6. formed from heat and pressure

Metamorphic rocks

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