A quarry is where rock fragments of particular size have been excavated.
A quarry is a place from which dimension stone , rock , construction aggregate , riprap , sand , gravel , or slate has been excavated from the ground.
Gravel -LSB- ˈɡrævəl -RSB- is the study of rock fragments that have a general particle size range and include size classes from granule - to boulder-sized fragments.
