Roof Pendant Geology

Roof pendant downward extension of the surrounding rock that protrudes into the upper surface of an igneous intrusive body.

Roof pendant geology.

The roof pendants occur as isolated pieces of the surrounding rock. In roof pendant metamorphosed through the processes of contact metamorphism during which heat and fluids from the intrusion have reconstituted the enclosed rock. Geology of the gull lake pendant modified from stevens and greene 1999. 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.

They are exposed by erosion of the overlying rock. The intrusions that most commonly contain roof pendants are relatively shallow stocks or batholiths. The photos from the last posting were from the sierra nevada batholith called a batholith because it consists of many many smaller intrusive bodies that collectively define a much larger intrusive complex that doesn t even have a well defined root. The presence of roof pendants indicates that the igneous body is being observed near its upper surface.

Posts about roof pendant written by marli miller. 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 in lay terminology sometimes rock hat is used. Cretaceous batholiths and roof pendants.