Owner of Jones Mineral Cabinet, Geology and Paleontology Supervisor, interested in Earth and Planetary sciences. #1. Clastic or Detrital Sedimentary Rocks The class(t)ic route begins with the weathering and erosion of sedimentary, igneous, or metamorphic rocks.
A flame retardant is a chemical substance that is added to materials during their manufacturing process in order to both reduce the likelihood of the finished product catching fire and slow down combustion. Source: GreenFacts.
fireclay-a heat-resistant clay. firebrick-brick made of fire clay; used for lining e.g. furnaces and chimneys. furnace lining, refractory-lining consisting of material with a high melting point; used to line the inside walls of a furnace.clay-a very fine-grained soil that is plastic when moist but hard when fired.ireclay-a heat-resistant clay. firebrick-brick made of fire clay; used for lining e.g. furnaces and chimneys. furnace lining, refractory-lining consisting of material with a high melting point; used to line the inside walls of a furnace.