GSU GEOL 1122K - INTERLUDE C QUIZ (10 pages)

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INTERLUDE C QUIZ



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INTERLUDE C QUIZ

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Pages:
10
School:
Georgia State University
Course:
Geol 1122k - Introductory Geosciences Ii
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INTERLUDE C READING QUIZ As they pass through the rock cycle atoms stay within the same mineral move through the rock cycle in the same manner do not move through the rock cycle at the same rate that were adjacent to each other remain near each other FEEDBACK Atoms that move through the rock cycle do not move at the same rate and therefore rocks found at Earth s surface can be of very different ages Identify the FALSE statement Most atoms that are found in continental crust never return to the mantle because continental crust is too buoyant to subduct New material cannot enter the rock cycle only the material that is in the cycle now can be recycled Ocean crust does not erode and generally does not follow the path to sedimentary rock in the rock cycle Rocks in the Appalachian Mountains have passed through many stages of the rock cycle throughout the last billion years FEEDBACK New material can enter the rock cycle as magma rises from the mantle and enters the crust Identify the FALSE statement A rock in any given class doesn t last forever because Earth materials can change from one type to another over time Earth is an actively changing dynamic system all rocks in the crust will at some point be subducted and melted to create igneous rock uplift weathering burial and heating melting can transform one rock type into another FEEDBACK Since continental crust cannot subduct it is incorrect to say that all crustal rocks will at one time or another be subducted to make igneous rocks Identify the FALSE statement The rock cycle does not exist on the Moon because the Moon has no atmosphere plate tectonics is not active on the Moon there are no oceans on the Moon the Moon is much younger than the Earth and hasn t had enough time to weather erode FEEDBACK Because the Moon has no atmosphere oceans or active plate tectonic system the rock cycle does not exist The age of the Moon has nothing to do with the presence or absence of the rock cycle Identify the FALSE statement The rock cycle indicates that sedimentary rock cannot form from other sedimentary rocks because the pathway is always from one rock type to a different rock type in order to make a metamorphic rock burial and or heating are needed a granite that was eroded transported and then deposited would eventually become a sedimentary rock input of new melt into the crust enters the rock cycle as an igneous rock FEEDBACK Each rock type within the rock cycle can become either another rock type or the same rock type through the processes shown in Figure C 1 Shale a sedimentary rock can be subjected to high heat and pressure through volcanism during mid ocean ridge spreading partial melting during hot spot activity exhumation during rifting burial during continental collision FEEDBACK Choice d explains how shale a sedimentary rock found at the Earth s surface can be buried to significant depth which increases its pressure and temperature and may cause it to undergo metamorphism The various geologic settings in which rocks can melt metamorphose or become sediment are ultimately generated by gravity plate tectonics heat from the Sun life at the Earth s surface FEEDBACK Plate interactions as a result of plate tectonics ultimately generate the various geologic settings where Earth materials can melt metamorphose and or weather to become sediments Using the diagram that shows an example of how rocks can change in the rock cycle which of the following lists properly defines the numbered processes 1 weathering transport deposition lithification 2 heat and pressure 3 melting 1 heat and pressure 2 melting 3 weathering transport deposition lithification 1 melting 2 heat and pressure 3 weathering transport deposition lithification 1 heat and pressure 2 weathering transport deposition lithification 3 melting FEEDBACK The process by which igneous rocks can change to sedimentary rocks is through weathering transport deposition lithification arrow 1 The resulting sedimentary rocks can then change to metamorphic rocks by the addition of heat and pressure arrow 2 Lastly metamorphic rocks as shown in this example can become igneous rocks by melting arrow 3 Which of the following describes an igneous metamorphic sedimentary path through the rock cycle A granite becomes buried and heated to form gneiss and is then uplifted and eroded to make sand A shale is uplifted and eroded to make clay deposited into a basin then buried and heated A schist is buried and heated to form gneiss then uplifted and eroded to make sand A sandstone is melted then cooled then uplifted and eroded to make sand FEEDBACK A granite is an igneous rock If it then becomes buried and heated to form a gneiss it has undergone metamorphism If that rock is then uplifted and eroded to make sand it has gone through the sedimentary segment of the rock cycle Which of the following sequences explains the transition path of a rock that experienced melting then cooling burial to deep depths during mountain building and then uplift and weathering igneous igneous sedimentary igneous metamorphic sedimentary metamorphic igneous metamorphic sedimentary igneous metamorphic FEEDBACK The key words melting burial and weathering indicate that this pathway describes igneous then metamorphic then sedimentary rock formation INTERLUDE C VISUAL QUIZ Specific rock types igneous sedimentary and metamorphic are commonly found in specific geologic settings What type of rock would most likely be formed at location A in the figure below sedimentary metamorphic igneous volcanic FEEDBACK The image shows a continent continent collision An orogenic event like this produces heat pressure and lots of metamorphic rocks Specific rock types igneous sedimentary and metamorphic are commonly found in specific geologic settings What type of rock would MOST likely be formed at location A in the figure below sedimentary metamorphic igneous volcanic FEEDBACK This image is of a rift zona Crustal thinning due to rifting leads to extensive volcanism and the production of igneous rocks The following image shows the rock cycle The three different rock types are represented but the processes that connect the rocks within the cycle are not labeled What process s would be responsible for the transition labeled A burial and heating weathering erosion transportation and deposition melting remelting FEEDBACK The arrow shows the transition from an igneous rock to a sedimentary rock Igneous rocks become sedimentary through weathering transport


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