← CSEC Geography quizzes
0 / 21 marks

1.5 - Intrusive Volcanic Features

Question 1 of 210 correct · 0 wrong

No need to finish in one go. Your answers save automatically, so you can do a section and come back anytime.

✅EvaluateQuestion 1 of 21

Intrusive volcanic features are formed when:

0 / 1 marks
✅EvaluateQuestion 2 of 21

Molten rock beneath the Earth’s surface is called:

0 / 1 marks
✅EvaluateQuestion 3 of 21

A dyke is best described as a:

0 / 1 marks
✅EvaluateQuestion 4 of 21

A sill is best described as a:

0 / 1 marks
✅EvaluateQuestion 5 of 21

A very large, irregular intrusive body formed deep underground is a:

0 / 1 marks
✅EvaluateQuestion 6 of 21

Intrusive igneous rocks often have large crystals mainly because they:

0 / 1 marks
✅EvaluateQuestion 7 of 21

Intrusive features may become visible at the surface mainly when:

0 / 1 marks
✅EvaluateQuestion 8 of 21

A road cut in Dominica shows a dark igneous sheet running parallel to the surrounding rock layers. The feature is most likely a:

0 / 1 marks
✅EvaluateQuestion 9 of 21

A quarry in St Lucia exposes an igneous sheet that slices across bedding planes at a steep angle. Which intrusive feature fits best?

0 / 1 marks
✅EvaluateQuestion 10 of 21

A lens-shaped intrusion pushes overlying rock layers upward into a dome. This intrusion is a:

0 / 1 marks
✅EvaluateQuestion 11 of 21

A student observes a steep rocky hill that remains after the softer volcanic cone has been worn away. The hill is most likely a:

0 / 1 marks
✅EvaluateQuestion 12 of 21

Two rocks are compared: Rock X has large crystals and Rock Y has tiny crystals. Which conclusion is most reasonable?

0 / 1 marks
✅EvaluateQuestion 13 of 21

Which process best explains why a dyke may form a narrow ridge on a hillside over time?

0 / 1 marks
✅EvaluateQuestion 14 of 21

An intrusion is still underground today. Which pair of processes is MOST likely to expose it in the future?

0 / 1 marks
✅EvaluateQuestion 15 of 21

Which sequence correctly describes how many intrusive landforms become visible?

0 / 1 marks
✅EvaluateQuestion 16 of 21

A geologist maps an igneous body that is extremely large, irregular, and mostly coarse-grained. It is best classified as a:

0 / 1 marks
✅EvaluateQuestion 17 of 21

A student claims, “If it never erupted, it cannot be volcanic.” Which response best evaluates the claim?

0 / 1 marks
✅EvaluateQuestion 18 of 21

Two nearby hills in Grenada are studied. Hill A is made of hard igneous rock; Hill B is made of softer sedimentary rock. Over thousands of years, what is the most likely outcome?

0 / 1 marks
✅EvaluateQuestion 19 of 21

Which set of statements is correct? 1. Intrusive features form from magma beneath the surface. 2. Intrusive rocks cool slowly and may be coarse-grained. 3. Intrusions can be exposed when overlying rocks are eroded away. 4. A sill always cuts across rock layers.

0 / 1 marks
✅EvaluateQuestion 20 of 21

A construction team in an island community finds a very hard, narrow rock ‘wall’ cutting through softer layers. To avoid extra drilling time, where should they place a water pipe trench?

0 / 1 marks
✅EvaluateQuestion 21 of 21

A hillside shows a step-like ledge that runs along the same direction as the rock layers. Which interpretation is most likely?

0 / 1 marks
✅EvaluateQuestion 1 of 21

Intrusive volcanic features are formed when:

0 / 1 marks

← swipe to move between questions →