Another term for rock layers
Another term for rock layers
A substance which can be dissolved in liquid
An excavated area of a mine
A purposefully-placed pile of broken rocks
A plagioclase mineral and zeolite, Na2Ca4[Al10Si26O72].34H2O
An ore of antimony, Sb2S3
To break up ore by crushing and compaction
A cone shaped or cylindrical deposit of precipitated minerals that develops from a floor or low area upward
A cone shaped or cylindrical deposit of precipitated minerals that develops downward, or hangs from a roof or ceiling
Underground deposits of minerals formed by the precipitation of ground water