Sometimes synonymous with rock, but more properly applied to individual blocks, masses, or fragments taken from their original formation or considered for commercial use.
An integral part of the earth's crust composed of an aggregate of grains of one or more minerals. (Stone is the commercial term applied to quarry products.)
A term adopted to describe the various patterns used to lay bricks in order to give them maximum strength. It is an approach that has its origins in the period before the ...
A disaster which occurred in the Chernobyl power plant in 1986, where one out of four nuclear reactors in the plant exploded, resulting in at least 5% ...