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.
Henefer is located in Summit County with a population of about 720 people. The Town of Henefer was incorporated in 1938, and is the only incorporated town on the Mormon Pioneer Trail. The Pony Express route also runs through Henefer. Henefer has a Mayor, Council form of government with 5 elected officials. Meetings are held on the first Tuesday of each month.