Roof Pendant Rock

Cretaceous granite intruding cambrian metasedimentary rock sierra nevada range.

Roof pendant rock.

These rocks are thought to have been originally deposited sometime between the paleozoic visit link and the cretaceous period visit link of the mesozoic visit link in a shallow marine area. 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.

The dinkey creek roof pendant includes schist quartzite hornfelds calc silicate rocks and marble. In lay terminology sometimes rock hat is used. The intrusions that most commonly contain roof pendants are relatively shallow stocks or batholiths. The metamorphic rock composing the mount morrison roof pendant block is the relict of a paleozoic sedimentary sequence overprinted by several deformation events which left the rocks isolated atop the sierra nevada batholith.

Roof pendants can be. Roof pendant downward extension of the surrounding rock that protrudes into the upper surface of an igneous intrusive body. These rocks developed along the passive western continental margin of north america during the middle devonian.