Roof Pendant Geology Definition

In geology the term xenolith is.

Roof pendant geology definition.

A broad definition could include rock fragments which have become encased in sedimentary rock. The roof pendants are the remains of the paleozoic and early mesozoic rocks that once covered the magma chambers of the sierra nevada batholith. How do you use roof pendant in a sentence. Xenoliths in granodiorite.

The presence of roof pendants indicates that the igneous body is being observed near its upper surface. They are exposed by erosion of the overlying rock. In roof pendant metamorphosed through the processes of contact metamorphism during which heat and fluids from the intrusion have reconstituted the enclosed rock. The roof pendants sit in the batholith like plums in a pudding and add a little mystery and pizzazz to the geology of the sierra.

Roof pendants can be. A mass of country rock which projects downwards into an intrusive body such as a batholith or remains as an erosional fragment on its upper surface. What is the meaning of roof pendant. What are synonyms for roof pendant.

In lay terminology sometimes rock hat is used. What is the definition of roof pendant. The large scale inclusion of foreign rock strata at the margins of an igneous intrusion is called a roof pendant examples. The intrusions that most commonly contain roof pendants are relatively shallow stocks or batholiths.

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. Roof pendant downward extension of the surrounding rock that protrudes into the upper surface of an igneous intrusive body. Cretaceous granite intruding cambrian metasedimentary rock sierra nevada range.