Questions and Answers
Which type of igneous rock results in large crystals?
Intrusive
What are the two types of igneous rocks?
Intrusive and extrusive
What is the process by which sedimentary rocks are formed?
Weathering, transportation, deposition, and diagenesis
Which of the following is NOT an example of a sedimentary rock?
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What is the process by which metamorphic rocks are formed?
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Which type of rock can be transformed into a metamorphic rock?
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Which type of igneous rock results in small crystals?
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Which of the following is an example of a metamorphic rock?
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Which of the following is NOT a stage in the formation of sedimentary rocks?
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What is the process by which intrusive rocks are formed?
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Study Notes
- Igneous rocks form from the cooling and solidification of magma or lava.
- There are two types of igneous rocks: intrusive and extrusive.
- Intrusive rocks crystallize below the Earth's surface resulting in large crystals, while extrusive rocks erupt onto the surface resulting in small crystals.
- Sedimentary rocks form from the consolidation of sediments derived from pre-existing rocks.
- Sedimentary rocks are formed by four stages: weathering, transportation, deposition, and diagenesis.
- Examples of sedimentary rocks include shale, limestone, sandstone, and coal.
- Metamorphic rocks have undergone chemical or physical change from their original form.
- Metamorphic rocks are formed from the transformation of igneous and sedimentary rocks under the influence of heat and pressure.
- Examples of metamorphic rocks include quartzite, marble, and schist.
- Pre-existing rocks can be transformed into metamorphic rocks such as sandstone/quartz becoming quartzite, and limestone/dolomite becoming marble.
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