In lay terminology sometimes rock hat is used.
Roof pendant definicion.
Roof pendant downward extension of the surrounding rock that protrudes into the upper surface of an igneous intrusive body.
Also known as pendant.
The roof pendants occur as isolated pieces of the surrounding rock within the intrusive mass.
The removal of roof rocks by erosion may leave remnants of roof pendants which resemble xenoliths in the intruding rock.
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.
Earliest use found in reginald daly 1871 1957.
The intrusions that most commonly contain roof pendants are relatively shallow stocks or batholiths.
Roof pendant definition is a downward projection or sag of the roof of a batholith.