Advances in Civil Engineering / 2019 / Article / Fig 10

Research Article

Influences of Water Vapor on Roof Fall Accidents in Selected Underground Coal Mines in Malawi

Figure 10

Scanned thin section images. The arrow length is 2.5 mm. (a) Kaziwiziwi conglomerate. (b) Kaziwiziwi carbonaceous sandstone.
(a)
(b)