Neco Model Questions Vol1 2022 Geography Question 6

Practice essay / theory question 6 from the 2022 Neco Model Questions Vol1 Geography examination. This question covers Igneous rocks, Sedimentary rocks, Metamorphic rocks, Rock cycle, Construction materials .

Neco Model Questions Vol1 2022 Geography Essay / Theory
Topics: Igneous rocks Sedimentary rocks Metamorphic rocks Rock cycle Construction materials
Question 6 NECO_MODEL_QUESTIONS_VOL1 • 2022 • GEOGRAPHY • essay

A geologist surveys a region where three distinct rock outcrops are observed: (i) A coarse‑grained, pinkish rock with visible interlocking quartz and feldspar crystals. (ii) A dark, fine‑grained rock that splits easily into thin, parallel layers. (iii) A black, glassy rock containing numerous vesicles (small cavities). Answer the following questions:

Question Parts

( a )
Identify the rock type represented by each outcrop (i, ii, iii) and state the typical geological environment in which each forms.
( b )
For the rock identified in (i), describe its cooling history (intrusive versus extrusive) and explain how its texture supports this interpretation.
( c )
The region is being considered for a quarry to supply construction aggregate. Evaluate the suitability of each of the three rocks for this purpose, discussing durability, strength and resistance to weathering.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Neco Model Questions Vol1 2022 Geography Question 6. It is one of the essay questions from the 2022 Neco Model Questions Vol1 Geography examination.

The question covers Igneous rocks, Sedimentary rocks, Metamorphic rocks, Rock cycle, Construction materials .

View More Neco Model Questions Vol1 2022 Geography Questions More Neco Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support