Tag Archives: El Hierro

Sandstone


Sandstone

Sandstone is a sedimentary rock formed when

English: A classification chart of sedimentary...

English: A classification chart of sedimentary rocks. (Photo credit: Wikipedia)

grains of sand have been cemented together by a material such as silica, iron oxide, or calcium carbonate. It usually consists mainly of quartz and can vary in color from yellow or red to gray or brown. Sandstone’s porous nature makes it ideal for aquifers, and it is also widely used in construction and industry. Why is sandstone commonly used for decorative features in buildings? More… Discuss