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 fencing. Mount Tarampa State School was listed on the Queensland Heritage Register on 1 May 2015 having satisfied the following criteria. The place is important in demonstrating the evolution or pattern of Queensland's history. Mount Tarampa State School (established in 1906 as Mount Tarampa Provisional School) is important in demonstrating the evolution of state education and its associated architecture in Queensland. It retains representative examples of standard government designs that were architectural responses to prevailing government educational philosophies. These are a Department of Public Works-designed provisional school building (1906), a playshed (1912), and a teacher's residence (1918) set within school