Unit 3 Rock Type Test (#9 On Your Checklist)
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When rocks grind and squeeze past each other, _____ metamorphism can occur.
- A. contact
- B. dynamic
- C. impact
- D. regional
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A
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B
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C
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D
About This Quiz
This quiz titled 'UNIT 3 ROCK TYPE TEST' assesses knowledge on rock types and geological processes, focusing on metamorphism, igneous formations, and the geothermal gradient. It is designed to test understanding of key geological concepts and terms, enhancing learners' grasp of Earth's dynamic processes.
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- 2.
Which of the following is NOT a sedimentary structure?
- A. Mud cracks
- B. Cross-beds
- C. Magma emplacement
- D. Ripple marks
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A
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B
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C
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D
Correct Answer
A. CExplanation
Magma emplacement is not a sedimentary structure because it refers to the process of magma being intruded into existing rock formations, rather than the formation or characteristics of sedimentary rocks themselves. Sedimentary structures are features that form within sedimentary rocks, such as mud cracks, cross-beds, and ripple marks, which are all formed by the deposition and subsequent lithification of sediment.Rate this question:
- 3.
Coal is formed in which of the following depositional environments?
- A. A beach
- B. A river channel
- C. A swamp
- D. A glacier
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A
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B
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C
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D
Correct Answer
A. CExplanation
Coal is formed in a swamp depositional environment. Swamps are wetland areas with high levels of vegetation and organic material. Over time, as the vegetation dies and accumulates, it is buried under layers of sediment. The pressure and heat from the overlying sediment cause the organic material to undergo chemical changes, eventually transforming into coal. Therefore, coal is typically found in areas where swamps once existed.Rate this question:
- 4.
WHAT ARE THE 3 GROUPS OF ROCKS (PICK ONLY 3)
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Igneous
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Basalt
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Castic
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Sedimentary
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Metamorphic
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Crystalized
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Intrusive
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Magma Based
Correct Answer(s)
A. Igneous
A. Sedimentary
A. MetamorphicExplanation
The correct answer is Igneous, Sedimentary, and Metamorphic. These are the three main groups of rocks based on their formation processes. Igneous rocks are formed from the solidification of molten material, sedimentary rocks are formed from the accumulation and compaction of sediments, and metamorphic rocks are formed from the transformation of existing rocks due to heat and pressure. The other options listed in the question (Basalt, Castic, Crystalized, Intrusive, Magma Based) are either specific types of rocks within these groups or not related to the classification of rocks.Rate this question:
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- 5.
To what depth below Earth's surface do you have to go before the pressure and temperature cause rocks to melt?
- A. At depths of about 50 to 200 km below Earth's surface
- B. At any point below Earth's crust
- C. At the boundary between Earth's mantle and core
- D. At depths of about 500 to 1000 km below Earth's surface
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A
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B
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C
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D
Correct Answer
A. AExplanation
At depths of about 50 to 200 km below Earth's surface, the pressure and temperature are sufficient to cause rocks to melt. This is because as you go deeper into the Earth, the pressure and temperature increase, eventually reaching a point where the rocks can no longer maintain their solid state and melt.Rate this question:
- 6.
Which of the following is not an intrusive igneous body?
- A. Batholith
- B. Stock
- C. Dike
- D. Lahar
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A
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B
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C
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D
Correct Answer
A. DExplanation
A lahars is not an intrusive igneous body. A lahars is a type of volcanic mudflow or debris flow composed of a mixture of volcanic ash, rock fragments, and water. It is formed when volcanic material becomes saturated with water and flows down the slopes of a volcano or other elevated area. Lahars are not formed through the cooling and solidification of magma within the Earth's crust, which is the process that forms intrusive igneous bodies such as batholiths, stocks, and dikes. Therefore, D is the correct answer.Rate this question:
- 7.
Remains or traces of organisms preserved in rock are called _______.
Correct Answer
fossils
fossil
a fossil
fosils
a fosil
focilExplanation
Remains or traces of organisms preserved in rock are called fossils. Fossils provide valuable evidence of past life on Earth and can include bones, shells, imprints, or even preserved soft tissues. They help scientists understand the history of life and how species have evolved over time. The correct answer options all refer to the same concept, which is the remains or traces of organisms preserved in rock.Rate this question:
- 8.
The increase in temperature with depth in the Earth is called the _____ gradient.
Correct Answer
geothermal
geo thermal
geothamalExplanation
The increase in temperature with depth in the Earth is called the geothermal gradient.Rate this question:
- 9.
Igneous rocks are classified based upon their ______________.
- A. texture and mineralogy
- B. density and hardness
- C. fluorescence and texture
- D. mineralogy and density
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A
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B
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C
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D
Correct Answer
A. AExplanation
Igneous rocks are classified based upon their texture and mineralogy. Texture refers to the size, shape, and arrangement of the mineral grains in the rock, while mineralogy refers to the types of minerals present in the rock. By examining the texture and mineralogy of an igneous rock, geologists can determine its origin and formation process.Rate this question:
- 10.
Which of the following is not a metamorphic agent?
- A. Heat
- B. Pressure
- C. Hot water
- D. Glacial meltwater
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A
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B
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C
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D
Correct Answer
A. DExplanation
Glacial meltwater is not a metamorphic agent because it does not cause changes in the structure or composition of rocks. Heat, pressure, and hot water are all examples of metamorphic agents because they can cause rocks to undergo metamorphism, which is the process of transformation of rocks due to changes in temperature, pressure, or chemical environment.Rate this question:
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Jun 27, 2024Quiz Edited by
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May 28, 2013Quiz Created by
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