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).
Rigby is a small city in and the county seat of Jefferson County, Idaho, United States. The population was 3,945 at the 2010 census, up from 2,998 in 2000. The larger Rigby area includes such outlying unincorporated communities as Annis, Garfield, Grant, Labelle, and Clark. Other nearby incorporated areas within Jefferson County include Menan, Roberts, Lewisville, and Ririe.