Conway granite near where it is mined. The Old Man of the Mountain, a famous geologic feature in New Hampshire (which collapsed in 2003) was made of Conway granite. The formation is found throughout the lower areas of the central White Mountains, such as Franconia Notch, Crawford Notch, the center of the Pemigewasset Wilderness, and the Saco River valley. Other exposures of the formation include the Belknap Mountains south of Lake Winnipesaukee. Conway granite Conway granite is a typically pink mineral-rich igneous (or mesoperthitic) biotite granite. It is amphibole-free and of coarse particle size (with portions of the rock fine-grained or porphyritic).
Granite Rock Township, Redwood County, Minnesota Granite Rock Township, Redwood County, Minnesota Granite Rock Township is one of the twenty-six townships of Redwood County, Minnesota, United States. The population was 241 at the 2000 census. Granite Rock Township was organized in 1890, and named for the granite rock formations in the Redwood River valley. According to the United States Census Bureau, the township has a total area of ; of it is land and of it (0.05%) is water. Per its name, Granite Rock Township contains deposits of granite, a rock composed of three different major minerals. The city of Lucan is located in Granite Rock