Back to Contents


1) What is the main process behind sedimentary basin formation in extension zones?

2) What are some causes of the initial extensional force on the lithosphere?

3) What is the name of the two main models for lithospheric extension?

4) Which model for lithospheric extension will produce symmetric basins?

5) What time frame does tectonic subsidence act on:
     a) First 2 million years.
     b) first 10 million years .
     c) first 100 million years.
     d) first 1000 million years.

6) What is a listric fault?

7) Why can't the continuous model of crustal deformation be applied to the real world?

8) Thinned lithospheric crust produce:
   a) a low elevation and a deep root.
   b) a low elevation and a shallow root.
   c) a high elevation and a deep root.
   d) a high elevation and a shallow root.

9) Describe the process of thermal subsidence.

10) Explain the concept of isostacy

11) What is a passive margin?

12) What are the 2 basic types of fault?

13) How do they form?

14) Name two other structural features caused by faulting and explain their formation.

15) What is analogue modelling?

16) Why is it useful in structural geology?

17)Why is it important to have an understanding of the structures present in sedimentary basins?

18) Name 3 hydrocarbon traps and how they form.

19) Outline the stages of formation of the Turpan Basin.

20) Outline the stages of formation of the North Sea Basin.

Back to Top