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).
Parma, ID Parma, ID boundary map 83660 boundary map 836 ZIP Code prefix boundary map Canyon County ID boundary map Idaho Congressional District 1 boundary map ID 1st congressional district boundary map Parma School District 137 boundary map City boundary maps.