Research on the Evolution Characteristics of Rock Mass Response from Open-Pit to Underground Mining

Figure 3

Stereographic projection of different regions. (a) Area division map; (b) stereographic projection in zone 1; (c) stereographic projection in zone 2; (d) stereographic projection in zone 3; (e) stereographic projection in zone 4; (f) stereographic projection in zone 5.

(a)

(b)

(c)

(d)

(e)

(f)