In lay terminology sometimes rock hat is used.
Roof pendant definicion.
Downward projection or sag into an igneous intrusion of the country rock of the roof.
Also known as pendant.
In structural geology a roof pendant which also known as a pendant is a mass of country rock that projects downward into and is entirely surrounded by an igneous intrusion such as a batholith or other pluton.
The roof pendants occur as isolated pieces of the surrounding rock within the intrusive mass.
Earliest use found in reginald daly 1871 1957.
A dictionary of earth sciences.
Roof pendant a downward projection of country rock into a batholith.
Roof pendant downward extension of the surrounding rock that protrudes into the upper surface of an igneous intrusive body.