It is widely used for architectural construction, ornamental stone and monuments. PUMICE: An igneous-volcanic rock, it is a porous, brittle variety of rhyolite and is light enough to float. It is formed when magma of granite composition erupts at the earths surface or intrudes the crust at shallow depths.
Sponsored Topics. Parma is a city in Canyon County, Idaho, United States. The population was 1,771 at the 2000 census. It is part of the Boise CityâNampa, Idaho Metropolitan Statistical Area. Parma is located at 43Â°47â²10â³N 116Â°56â²34â³W / 43.78611Â°N 116.94278Â°W / 43.78611; -116.94278 (43.786009, -116.942656).
Valley County, Idaho. Valley County is a rural county located in the U.S. state of Idaho. As of the 2010 census, the population was 9,862. The county seat is Cascade, and the largest city is McCall. Established in 1917, it was named after the Long Valley of the North Fork of the Payette River, which extends over 30 miles (50 km) from Payette Lake at McCall south to Cascade to Round Valley.