Roof Pendants Are

A downward projection or sag of the roof of a batholith.

Roof pendants are.

Roof pendant downward extension of the surrounding rock that protrudes into the upper surface of an igneous intrusive body. These older rocks that are intruded by the granite are called roof pendants because they show the roof of the batholith. The roof pendants occur as isolated pieces of the surrounding rock within the intrusive mass. Also known as pendant.

The photo below shows the cretaceous granite below light colored rock and the dark colored sedimentary now metamorphic rock above. Skip navigation chegg home. The removal of roof rocks by erosion may leave remnants of roof pendants which resemble xenoliths in the intruding rock. A roof pendant is an erosional remnant that was created by the removal by erosion of the overlying country rock that formed the roof of the igneous intrusion that encloses it.

In lay terminology sometimes rock hat is used. Defined by paul c. Mcgraw hill dictionary of scientific technical terms 6e copyright 2003 by the mcgraw hill companies inc. Rüf pen dənt geology downward projection or sag into an igneous intrusion of the country rock of the roof.

Cretaceous granite intruding cambrian metasedimentary rock sierra nevada range. If this downward protruding mass of roof rock still has a connection to the main surrounding mass of country rock they are known by structural geologists as either septa or screens. Roof pendant a downward projection of country rock into a batholith. Want to thank tfd for its existence.

Bateman a roof pendant is a mass of metamorphic rock that is entirely surrounded by plutonic rock and presumed to be a downward projection of rocks that overlaid the plutonic rocks before erosion in this report an overview of the roof pendants within the sierra nevada range is given. A dictionary of earth sciences. Answer to question 16 1 pts roof pendants are characteristic of metamorphism which occurs at metamorphic grade. Definition of roof pendant.

Roof pendants can be read more. The intrusions that most commonly contain roof pendants are relatively shallow stocks or batholiths. In roof pendant metamorphosed through the processes of contact metamorphism during which heat and fluids from the intrusion have reconstituted the enclosed rock.