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).
What are the 5 largest counties in Idaho? By area, the largest counties in Idaho are Idaho County, Owyhee County, Custer County, Lemhi County, and Valley County. By population, the largest counties in Idaho are Ada Câ¦ounty, Canyon County, Kootenai County, Bonneville County, and Bannock County. 5 people found this useful. Joe Christensen.