Gneiss is a high grade metamorphic rock, meaning that it has been subjected to higher temperatures and pressures than schist. It is formed by the metamorphosis of granite, or sedimentary rock. Gneiss displays distinct foliation, representing alternating layers composed of different minerals.
Mountrail County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 7,673. Its county seat is Stanley.
Blanket is located in eastern Brown County at 31Â°49â²35â³N 98Â°47â²17â³Wï»¿ / ï»¿31.82639Â°N 98.78806Â°Wï»¿ / 31.82639; -98.78806 (31.826469, -98.788172). U.S. Routes 67 / 377 pass along the southeast edge of the town, leading southwest 14 miles (23 km) to Brownwood, the county seat, and northeast 12 miles (19 km) to Comanche. According to the United States Census Bureau, the town has a total area of 0.62 square miles (1.6 km 2), all land.