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.
Bird's eye view of Curtis, Nebraska, in early 1900s. CURTIS -- FRONTIER COUNTY. Frontier County was founded in January 1872 in an Indian tepee near the mouth of Clifford Canyon. Those present included Hank and Monte Clifford, John Bratt, Paddy Miles, and a Mr. Kirby.