Which Rocks term is correctly associated with common use or association: “used as construction aggregate and decorative stone”, and also with “a hard metamorphic rock”?

Correct Answer: Option D — Quartzite. Quartzite is correct because it is used as construction aggregate and decorative stone. Quartzite is also associated with a hard metamorphic rock. A further identifying fact is that Quartzite is very resistant to weathering. Another useful fact is that Quartzite is associated with used as construction aggregate and decorative stone. Why the other options are incorrect: Option A — Granite: It is widely used as building and decorative stone and is associated with an intrusive igneous rock; those are the identifying facts of Granite. Option B — Basalt: It is common in oceanic crust and lava plateaus and is associated with an extrusive igneous rock; those are the identifying facts of Basalt. Option C — Pumice: It is used as an abrasive and lightweight aggregate and is associated with a vesicular volcanic rock; those are the identifying facts of Pumice. Exam Takeaway: Link Quartzite with “used as construction aggregate and decorative stone” and “a hard metamorphic rock” for quick revision.