Roof Pendants Are

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Roof pendants are.

The removal of roof rocks by erosion may leave remnants of roof pendants which resemble xenoliths in the intruding rock. Also known as pendant. 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. They are exposed by erosion of the overlying rock.

The roof pendants occur as isolated pieces of the surrounding rock within the intrusive mass. The presence of roof pendants indicates that the igneous body is being observed near its upper surface. Defined by paul c. Answer to question 16 1 pts roof pendants are characteristic of metamorphism which occurs at metamorphic grade.

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. Skip navigation chegg home. In lay terminology sometimes rock hat is used. The intrusions that most commonly contain roof pendants are relatively shallow stocks or batholiths.

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. Want to thank tfd for its existence. A downward projection or sag of the roof of a batholith.

These older rocks that are intruded by the granite are called roof pendants because they show the roof of the batholith. In roof pendant metamorphosed through the processes of contact metamorphism during which heat and fluids from the intrusion have reconstituted the enclosed rock. A dictionary of earth sciences. Mcgraw hill dictionary of scientific technical terms 6e copyright 2003 by the mcgraw hill companies inc.

Definition of roof pendant. 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.