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 Falls, Minnesota Granite Falls, Minnesota Granite Falls is a city in Chippewa, Renville and Yellow Medicine counties in the State of Minnesota. The population was 2,897 at the 2010 census. It is the county seat of Yellow Medicine County. The Andrew John Volstead House, a National Historic Landmark, is located in Granite Falls. Granite Falls was platted in 1872. The city was named for deposits of granite rock in the area. A post office has been in operation at Granite Falls since 1870. Granite Falls was incorporated as a city in 1889. On July 25, 2000, the city of Granite Falls and