Podcast
Questions and Answers
Which type of igneous rock results in large crystals?
Which type of igneous rock results in large crystals?
- Extrusive
- Metamorphic
- Sedimentary
- Intrusive (correct)
What are the two types of igneous rocks?
What are the two types of igneous rocks?
- Basaltic and andesitic
- Sedimentary and metamorphic
- Intrusive and extrusive (correct)
- Mafic and felsic
What is the process by which sedimentary rocks are formed?
What is the process by which sedimentary rocks are formed?
- Chemical or physical change
- Crystallization below the Earth's surface
- Melting and solidification
- Weathering, transportation, deposition, and diagenesis (correct)
Which of the following is NOT an example of a sedimentary rock?
Which of the following is NOT an example of a sedimentary rock?
What is the process by which metamorphic rocks are formed?
What is the process by which metamorphic rocks are formed?
Which type of rock can be transformed into a metamorphic rock?
Which type of rock can be transformed into a metamorphic rock?
Which type of igneous rock results in small crystals?
Which type of igneous rock results in small crystals?
Which of the following is an example of a metamorphic rock?
Which of the following is an example of a metamorphic rock?
Which of the following is NOT a stage in the formation of sedimentary rocks?
Which of the following is NOT a stage in the formation of sedimentary rocks?
What is the process by which intrusive rocks are formed?
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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