Geology Reference
In-Depth Information
(b)
(c)
Figure 1.1.
(b) The MacDonald fault-line scarp in northwestern Canada, with granite underlying the higher
ground, sediments the lower (Department of Energy Mines and Resources, Canada). (c) Fault-line
valley in granitic terrain, Kazan region, northwestern Canada. The fracture has been intruded by
a quartz vein (Department of Energy, Mines and Resources, Canada).
