Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones make up about 20 to 25 percent of all
Red Sandstone may refer to: Sandstone appearing red due to the inclusion of iron oxides (hematite) Old Red Sandstone, a British lithostratigraphic unit
Lithic sandstones, or lithic arenites, or litharenites, are sandstones with a significant (>5%) component of lithic fragments, though quartz and feldspar
Correctional Institution, Sandstone (FCI Sandstone) is a low-security United States federal prison for male offenders in Sandstone, Minnesota. It is operated
Operation Sandstone was a series of nuclear weapon tests in 1948. It was the third series of American tests, following Trinity in 1945 and Crossroads