Topography – Massive Igneous Rocks (Grade 11 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What type of rock do granite domes and tors primarily develop from?
What type of rock do granite domes and tors primarily develop from?
Massive igneous rocks, particularly granite
What shape do granite domes create in the landscape?
What shape do granite domes create in the landscape?
Large, convex-shaped outcrops
What process causes thin, curved sheets to peel away from exposed granite domes?
What process causes thin, curved sheets to peel away from exposed granite domes?
Exfoliation
What is the maximum height that tors rarely exceed?
What is the maximum height that tors rarely exceed?
15 metres
What are the tiny clay particles produced during underground chemical weathering of granite called?
What are the tiny clay particles produced during underground chemical weathering of granite called?
Kaolin
In Stage 1 of tor formation, what causes mainly vertical joints to form in cooling magma?
In Stage 1 of tor formation, what causes mainly vertical joints to form in cooling magma?
Thermal contraction
What type of weathering primarily creates the rounded core stones that form tors?
What type of weathering primarily creates the rounded core stones that form tors?
Underground chemical weathering
What primary process shapes granite domes after pressure is released?
What primary process shapes granite domes after pressure is released?
Physical weathering through exfoliation
What are core stones in tor formations?
What are core stones in tor formations?
Rounded masses of resistant granite
What role do joints play in both granite dome and tor formation?
What role do joints play in both granite dome and tor formation?
Provide weak points for weathering