Mount Rushmore community. Recent pine beetle infestations have threatened the forest. Mount Rushmore is largely composed of granite. The memorial is carved on the northwest margin of the Black Elk Peak granite batholith in the Black Hills of South Dakota, so the geologic formations of the heart of the Black Hills region are also evident at Mount Rushmore. The batholith magma intruded into the pre-existing mica schist rocks during the Proterozoic, 1.6 billion years ago. Coarse grained pegmatite dikes are associated with the granite intrusion of Black Elk Peak and are visibly lighter in color, thus explaining the light-colored streaks on the
Mount Tarampa State School Mount Tarampa State School Mount Tarampa State School is a heritage-listed state school at 9 Profkes Road, Mount Tarampa, Somerset Region, Queensland, Australia. It was designed by Queensland Department of Public Works and built in 1906 by C Risdale. It was formerly known as Mount Tarampa Provisional School. It was added to the Queensland Heritage Register on 1 May 2015. Mount Tarampa State School opened in 1906 as Mount Tarampa Provisional School on a site within the small agricultural settlement of Mount Tarampa in the Brisbane Valley, to serve the sparse but growing rural population. As settlement increased, the provisional