The management and valuation of quarries / Radiah Mustaffa

The term "quarry" can be defined as an open or surface working,
usually for the extraction of building stone, as slate, limestone
etc. In its widest sense, the term mine includes quarries, and has
been sometimes so construed by the courts; but when the
distinction is drawn, mine denotes underground workings and quarry denotes superficial workings.
Products (other than petroleum) exploitable from below the earth's
surface are divided into two categories, namely "metals and
minerals" on the one hand and "rock materials" on the other. The
Mining Enactment (Cap. 147) defines "mining" or "to mine" as,
" to distinguish, remove, cart, carry, wash, sift,
smelt, refine, wash or otherwise deal with any
rock, stone, gravel, clay, sand, soil or mineral by
any mode or method whatever for the
purpose of obtaining metal or mineral there from "