Neco 2022 Geography Question 6

Practice essay / theory question 6 from the 2022 Neco Geography examination. This question covers Rocks .

Neco 2022 Geography Essay / Theory

Topic: Rocks

Question 6 NECO • 2022 • GEOGRAPHY • essay

A geologist collects three rock samples from a region that exhibits varied terrain. Sample X: Coarse‑grained, light‑coloured rock with visible quartz and feldspar crystals. Sample Y: Fine‑grained, dark rock that breaks easily into thin sheets. Sample Z: Hard, dark rock with interlocking crystals of pyroxene and plagioclase. Answer the following questions:

( a )

Identify the rock type (igneous, sedimentary or metamorphic) for each sample, providing a brief justification for each identification.

( b )

Explain the processes that could have led to the formation of Sample Y, including the original rock type and the metamorphic conditions required.

( c )

Discuss the significance of the rock cycle in shaping the landscape of the region, linking your discussion to the three samples.

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This is Neco 2022 Geography Question 6. It is one of the essay questions from the 2022 Neco Geography examination.

The question covers Rocks .

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