Striated—Marked with parallel workings.

Strip—To remove overlying material from a vein.

Sulphate—A salt containing sulphuric acid.

Sulphide—A combination of sulphur and a metal.

Sulphurets—When the miner employs this term he usually means pyrites.

Tailings—The refuse matter after ore has been crushed.

Throw—The movements of vein caused by a fault; it may be up or down.

Translucent—If light passes through a mineral, it is translucent; if you can see the details of an object through it, it is transparent.

Underlie—The same thing as dip.

Unstratified—Without stratification or bedding.