Sandstone - Wikipedia, the free encyclopedia
Sandstone (sometimes known as arenite) is a sedimentary rock composed mainly of sand-sized minerals or rock grains. Most sandstone is composed of quartz and/or feldspar because these are the most com...
en.wikipedia.org/wiki/Sandstone
Sedimentary rock - Wikipedia, the free encyclopedia
Sedimentary rock is one of the three main rock types (the others being igneous and metamorphic rock). Sedimentary rock is formed by deposition and consolidation of mineral and organic material and fr...
en.wikipedia.org/wiki/Sedimentary_rock
A photo gallery of sedimentary rocks by Geology.com ... Sandstone is a clastic sedimentary rock made up mainly of sand-size (1/16 to 2 millimeter diameter) weathering debris. Environments where large amounts of sand can accumulate include beaches, deserts, flood plains and deltas.
geology.com/rocks/sedimentary-rocks.shtml geology.com/rocks/sedimentary-rocks.shtml
Sandstone is a clastic sedimentary rock that is composed of sand-size clasts. ... Sandstone is a clastic sedimentary rock made up mainly of sand-size (1/16 to 2 millimeter diameter) weathering debris. Environments where large amounts of sand can accumulate include beaches, deserts, flood plains and deltas.
geology.com/rocks/sandstone.shtml geology.com/rocks/sandstone.shtml
Sandstone is an arenaceous sedimentary rock composed mainly of feldspar and quartz and varies in colour (in a similar way to sand), through grey, yellow, red, and white. Sandstones are often relatively soft and easy to work which therefore make them a common building and paving material.
stone-network.com/petrology/sandstone.html stone-network.com/petrology/sandstone.html
Quartz forms about 65% of the detrital fraction of the average sandstone, and feldspars about 10 to 15%. The mineral composition of the sandstone can be used to determine the character of the source rock. The cement usually imparts the colour of the sandstone.
www.kabrna.com/cpgs/rocks/sedimentary/sandstone.htm www.kabrna.com/cpgs/rocks/sedimentary/sandstone.htm
sandstone, sedimentary rock formed by the cementing together of grains of sand. The usual cementing material in sandstone is calcium carbonate, iron oxides, or silica, and the hardness of sandstone varies according to the character of the cementing material;
www.factmonster.com/ce6/sci/A0843422.html
Most fossils are excavated from sedimentary rock layers. Sedimentary rock is rock that has formed ... Sandstone - a very grainy rock that comes in many colors, including gray, red, or tan. Under a magnifying glass you can see the grains in the rock clearly. Sandstone formed from desert deposits and from shallow seas.
www.enchantedlearning.com/subjects/dinosaurs/glossary/S... www.enchantedlearning.com/subjects/dinosaurs/glossary/Sedimentaryrock.shtml
Sandstone, coarse-grained, sedimentary rock consisting of consolidated masses of sand deposited by moving water or by wind. The chemical constitution. ... Sandstone, coarse-grained, sedimentary rock consisting of consolidated masses of sand deposited by moving water or by wind. The chemical constitution of sandstone is the...
encarta.msn.com/encyclopedia_761563767/Sandstone.html encarta.msn.com/encyclopedia_761563767/Sandstone.html
Sandstone rocks are sedimentary rocks made from small grains of the minerals quartz and feldspar. They often form in layers as seen in this picture. They are often used as building stones.
www.fi.edu/fellows/fellow1/oct98/expert/sandstone.htm www.fi.edu/fellows/fellow1/oct98/expert/sandstone.htm