Sandstone is a sedimentary rock composed mostly of quartz sand, but it can also contain significant amounts of feldspar, and sometimes silt and clay. Sandstone that contains more than 90% quartz is called quartzose sandstone.
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Sandstone
Form of rock
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Sandstone is a clastic sedimentary rock composed mainly of sand-sized silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks.
Most sandstone is composed of quartz or feldspar, because they are the most resistant minerals to the... Wikipedia
Mohs hardness: between six and seven
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary ...
Sandstone is a clastic sedimentary rock composed of sand-sized grains of mineral, rock or organic material.
Sandstone is made of sand grains (0.05mm to 2mm) that may have been deposited in the sea, by rivers, or in deserts, and later cemented together by minerals ...
Sandstone, a sedimentary rock, is formed when grains of sand are compacted and cemented together over thousands or millions of years. The sand grains often are ...
The Rock - Sandstone. Sedimentary Rock Type: Clastic; Related to: Shale , conglomerate, siltstone ,breccias; Color: highly variable; Texture: Sand sized ...
Jul 14, 2016 · A sedimentary rock consisting of sheets of sand, mineral particles, and binding matrix deposited one atop in water environments and desert ...