Examine the photographs above and answer each of the following questions - Junior Cycle Geography - Question 1A - 2018
Question 1A
Examine the photographs above and answer each of the following questions.
(i) State whether photograph A is an igneous, a sedimentary or a metamorphic rock.
(ii) S... show full transcript
Worked Solution & Example Answer:Examine the photographs above and answer each of the following questions - Junior Cycle Geography - Question 1A - 2018
Step 1
State whether photograph A is an igneous, a sedimentary or a metamorphic rock.
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Answer
Photograph A shows a rock formation characterized by layered structures, which indicates that it is a sedimentary rock.
Step 2
State whether photograph B is an igneous, a sedimentary or a metamorphic rock.
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Answer
Photograph B depicts a distinctive columnar structure, suggesting that it is an igneous rock.
Step 3
Name an example of a sedimentary rock.
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An example of a sedimentary rock is limestone.
Step 4
Describe and explain how the sedimentary rock named by you in part (iii) above was formed.
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Limestone, the sedimentary rock named, is primarily formed from the accumulation of marine organism shells, coral, and other calcareous materials over time. This organic matter undergoes compaction and cementation as sediment is deposited in layers, eventually creating the rock. The process can take thousands to millions of years, often taking place in ocean environments where calcium carbonate-rich materials are prevalent.
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