Recognize a common noun when you see one. Nouns name people, places, and things. Every noun can further be classified as common or proper. A common noun names general items. Go into the kitchen.
A sandstone with at least 25 percent feldspar is called arkose. A sandstone made of volcanic particles is called tuff. The cement in sandstone is usually one of three materials: silica (chemically the same as quartz), calcium carbonate or iron oxide.
Chalk is made of calicite, which is a form of limestone, limestone is a type of Sedimentary rock. sedimentary rock is made out of sediments which are the remains of broken do â¦ wn rocks, shells,and different things like that. 7 people found this useful. Answered.