A manner of dividing property into squares for alternating allotment
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Category: <span>C</span>
An optical phenomenon of certain minerals when reflected light, in a patterned or silky sheen is concentrated in a narrow band that changes position and sometimes colour with movement
Hole containing explosive material set to be detonated
Sample material reflective of the deposit, obtained from a channel or trench
The mine building where workers change into uniforms and safety equipment
A brassy-yellow tetragonal mineral with a metallic blue tarnish or oxide, it is the common ore of copper. CuFeS2
Timbers of concrete supporting a shaft opening
An ore of mercury, 3[HgS]
A rectangular wood plank used for levels in scaffolding
Small fragments of lava or smelter material around 1cm