Roof Pendant Geology

The presence of roof pendants indicates that the igneous body is being observed near its upper surface.

Roof pendant geology.

In figure 2 below an overview of the general geology of the best studied roof pendants of the sierra nevada is given. The amounts of precious metals found to exist along the roof pendants led to many scientific studies being done in this area and thus much is known about the formation of these features. The roof pendants occur as isolated pieces of the surrounding 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 in lay terminology sometimes rock hat is used.

Roof pendant downward extension of the surrounding rock that protrudes into the upper surface of an igneous intrusive body. 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. Cretaceous batholiths and roof pendants. Geology of paleozoic rocks in eastern sierra nevada roof pendants california 247 figure 9.

They are exposed by erosion of the overlying rock. The intrusions that most commonly contain roof pendants are relatively shallow stocks or batholiths. Posts about roof pendant written by marli miller.