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Topic: Sandstone


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  Sandstone Press :: Contemporary Quality Reading
Sandstone Press is now actively seeking original non-fiction material to include in its 2008 publishing programme.
Sandstone Press is delighted to announce that Remzije Sherifi’s SHADOW BEHIND THE SUN has been nominated for the Saltire Society Scottish Book of the Year prize.
The Sandstone Vista series of books has been developed for readers who are not used to reading full length novels, or for those who simply want to enjoy a ‘quick read’ which is satisfying and well written.
www.sandstonepress.com   (524 words)

  
  Sandstone - Encyclopedia, History, Geography and Biography
Sandstone is a sedimentary rock composed mainly of sand-size mineral or rock grains.
Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the earth's crust.
Sandstones are clastic in origin (as opposed to organic, like chalk and coal, or chemical, like gypsum and jasper).
www.arikah.com /encyclopedia/Sandstone   (851 words)

  
  Sandstone - LoveToKnow 1911
In some of the cherty sandstones of the Greensand the chalcedonic cement is much more abundant: these rocks also contain rounded grains of glauconite, to which they owe their green colour.
In Fontainebleau sandstone and some British Secondary rocks the calcite is in large crystalline masses, which when broken show plane cleavages mottled with small rounded sand grains; in the French rock external rhombohedral faces are present and the crystals may be of considerable size.
Sandstones are very extensively worked, mostly by quarries but sometimes by mines, in all districts where they occur and are used for a large variety of purposes.
www.1911encyclopedia.org /Sandstone   (929 words)

  
 sandstone — FactMonster.com
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; quartz sandstones cemented with quartz are the hardest.
Green sandstones often contain, in addition to sand and glauconite, fossil shells and iron oxides; those that break apart easily are known as greensands and are sometimes used to replenish depleted potash in soils.
Sandstone may be crushed to the form of loose sand grains, which can then be put to the same industrial uses as sand.
www.factmonster.com /ce6/sci/A0843422.html   (270 words)

  
 Stone Flooring,Sandstone Stone,Stone Flooring Tile,Sandstone Sedimentary Rocks,Decorative Stone Flooring,Natural ...
Sandstone is the youngest of the quartz-based stones, which eventually turns into quartzite as the sandstone is subjected to heat and pressure.
Textures within the sandstone layers such as cross-bedding, ripple marks, and mud cracks, are clues to the origin of the layers as shallow, inter-tidal or delta sediments.
Sandstone was a common building material for larger structures, before reinforced concrete came into use in the middle of late 1800's.
www.indian-stones.com /about-stones/sandstone-quartzite.html   (460 words)

  
 Sandstone - MSN Encarta
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 same as that of sand; the rock is thus composed essentially of quartz.
Sandstones of various geologic ages and of commercial importance are widely distributed in the U.S. Besides serving as a natural reservoir for deposits of oil and gas, sandstone is used in building flagstone pavings and in the manufacture of whetstones and grindstones.
encarta.msn.com /encyclopedia_761563767/Sandstone.html   (183 words)

  
 sandstone. The Columbia Encyclopedia, Sixth Edition. 2001-05
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; quartz sandstones cemented with quartz are the hardest.
Green sandstones often contain, in addition to sand and glauconite, fossil shells and iron oxides; those that break apart easily are known as greensands and are sometimes used to replenish depleted potash in soils.
Sandstone may be crushed to the form of loose sand grains, which can then be put to the same industrial uses as sand.
www.bartleby.com /65/sa/sandston.html   (222 words)

  
 SANDSTONE,NATURAL SANDSTONE,NATURAL STONE INDIA   (Site not responding. Last check: )
Sandstone is actually a sedimentary rock formed by the consolidation and compaction of sand, which is held together by a natural cement, such as silica.
Sandstone is typically the youngest of the quartz-based stones, with each stone having a different level of porosity, hardness and compressive strength.
Owing to their natural beauty, sandstones are used for interior as well as exterior decoration including flooring, paving, cladding walls and floors.
www.indian-sandstone-exporters.com /sandstone.html   (97 words)

  
 Stonebuy.com - Petrology Sandstone   (Site not responding. Last check: )
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.
The environment of deposition is crucial in determining the characteristics of the resulting sandstone, which on a finer scale include its grainsize, sorting, composition and on a larger scale include the rock geometry.
english.stonebuy.com /information/petrology-sandstone.asp   (560 words)

  
 Sandstone - Sandstone Manufacturers,Sandstone Suppliers & Exporters
Engaged in supply of teakwood sandstone, rainbow sandstone, dholpur beige sandstone, agra red sandstone, rajgreen sandstone and jaisalmer yellow sandstone in form of slabs and tiles.
Engaged in supplying and exporting teakwood sandstone, panther sandstone, kota desert sandstone, mint green sandstone, modak sandstone, raj green sandstone, multi brown sandstone, beige sandstone, ivory whte sandstone and rainbow sandstone.
Exporting various sandstone, panther sandstone, teakwood sandstone, agra pink sandstone, rainbow sandstone, dusty sandstone, jaisalmer sandstone, agra white sandstone, agra red sandstone and speckel sand stone.
catalogs.indiamart.com /products/sandstone.html   (1627 words)

  
 Sandstone
This sandstone in Ohio is found east of a line drawn from Erie County in the north to Adams County in the south.
The sandstone John Baldwin and his neighbors found in the 1830s was very near the surface in Berea, although as the stone formation moves south it dips at a rate of twenty feet to the mile.
Once sandstone is removed from the ground and "cured" (that is, its water or "sap" is dried out) it becomes impervious to water, salt, or chemicals, making it superior to other types of building stone or man-made substances.
home.earthlink.net /~bereahistorical/Sandstone.html   (787 words)

  
 Sandstone   (Site not responding. Last check: )
Sandstone is a sedimentary rock that is made up mostly of tiny grains of quartz.
Most sandstone is formed in oceans, lakes and rivers where tiny bits of rock and dirt settle to the bottom.
Sandstone can be found in many colors like those you can see in the picture and has a texture that feels like sandpaper.
www.ivyhall.district96.k12.il.us /4th/kkhp/RocksandMinerals/Sandstone.html   (95 words)

  
 Sandstone Summary
Sandstone layers shaped into domes by folding or other processes (and overlaid by non-porous rock) act as traps for migrating oil and gas, that ascend into them but then have no way out.
Another useful feature of sandstones is that they tend to record the surface conditions that prevailed when their sands were created and deposited.
Fine grained aquifers, such as sandstones, are more apt to filter out pollutants from the surface than are rocks with cracks and crevices such as limestones or other rocks fractured from seismic activity.
www.bookrags.com /Sandstone   (1274 words)

  
 Facilities Management - Campus Architect | University of Colorado at Boulder
Sandstone has been quarried locally along the front range since at least the 1880s.
In 1912 the bottom fell out of the sandstone market, probably due to the wide-spread use of concrete, but it revived quickly in the early 1930s with another surge of popularity in the late 1940s after World War II.
University buildings have sandstone walls that are laid up flat with the fractured face exposed beyond a common vertical wall line of mortar.
fm.colorado.edu /architect/sandstone.html   (732 words)

  
 Sandstone Suppliers,Natural Sandstone,Indian Sandstone,Indian Natural Sandstone,Sandstone Exporters.
Sandstone is actually a sedimentary rock formed by the consolidation and compaction of sand, which is held together by a natural cement, such as silica.
Sandstone is typically the youngest of the quartz-based stones, with each stone having a different level of porosity, hardness and compressive strength.
Owing to their natural beauty, sandstones are used for interior as well as exterior decoration including flooring, paving, cladding walls and floors.
www.ashishimpex.com /sandstone.html   (135 words)

  
 GemRocks: Sandstone   (Site not responding. Last check: )
Most sand grains of most sandstones are quartz, the properties of which are given in the GRANITE entry; the cement, which so-to-speak holds the grains together, may be such minerals as calcite or quartz.
Along this line, a teapot made of an ornamental sandstone, apparently from the vicinity of Hualien, Taiwan, is recorded as having had its color enhanced by boiling tea in it (Koivula, Kammerling and Fritsch, 1992, p.209-210).
Sandstone (though not as a gemrock per se) is the state rock of Nevada.
www.cst.cmich.edu /users/dietr1rv/sandstone.htm   (1210 words)

  
 Sandstone Suppliers India,Indian Sandstone Suppliers,Sandstone Exporters India
Indian sandstone suppliers, exporting sandstone slabs and sandstone tiles are used as flooring or paving material, in both interior and exterior Applications.
Sandstone is an excellent building stone, ideal for carving and architectural uses such as pillars, arches, garden furniture, fountains, landscaping products and stone arts and crafts.
Sandstones are durable, weather, acid and thermal resistant and have crushing strength.
www.sandstonesuppliers.com /sandstone.html   (142 words)

  
 sandstone
Correlated formations are the Whirlpool Sandstone, Power Glen Shale, and Grimsby Formation of the Medina Group; the Reynales Limestone, Williamson Shale, Irondequoit Limestone, and Rochester Shale of the Clinton Group; and undivided strata of the Lockport Group.
Sandstone units in the Devils Hole Sandstone, upper part of the Cabot Head (Power Glen) Shale, lower part of the Grimsby Formation, and lower part of the "Clinton" sands are 10 to 30 ft thick and commonly have blocky to upward-decreasing ("cleaner") gamma ray log responses (fig.
In this report, the Whirlpool Sandstone and Medina sand are interpreted as shoreface or sublittoral sheet sandstones, possibly with a lowermost braided fluvial component, deposited in a transgressive systems tract that unconformably overlies the Upper Ordovician Queenston Shale.
pubs.usgs.gov /of/1996/of96-042/sandston.htm   (3083 words)

  
 sandstone   (Site not responding. Last check: )
Sandstone is a sedimentary rock made from tiny grains of quartz, feldspar, mica or other minerals.
Sandstone is usually formed in oceans, lakes and rivers where the tiny sediments (fragments) settle to the bottom.
Sandstone can be many colors, depending upon the mineral sediments it was formed from.
www.lethsd.ab.ca /mmh/grade3c/Gr3Web/rocks_miner/indentify_rocks/sandstone.htm   (113 words)

  
 deseretnews.com | Scientists are warming up to sandstone discoveries   (Site not responding. Last check: )
The familiar sandstone often is in the form of hills, flat stretches, domes and dunes of rock.
Their paper is titled "Bleaching of Navajo Sandstone on Colorado Plateau Laramide Highs: Evidence of Exhumed Hydrocarbon Supergiants?" It was published in the December edition of Geology, the journal of the Geological Society of America.
In southern Utah, where the Navajo sandstone is exposed, higher layers are bleached or retain red bands within the lighter rock.
deseretnews.com /dn/view/0,1249,565037192,00.html   (712 words)

  
 Sandstone Minnesota
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.Since sandstones often form highly visible cliffs and other rock formations, certain colors of sandstone may be stronglyidentified with certain regions.
Sandstones are often relatively soft and easy to work which therefore make them a common building and paving material.
The principle mechanism for the formation of sandstone is by the sedimentation of grains out of a fluid, such as a river, lake or sea.
www.altvetmed.com /face/36727-sandstone-minnesota.html   (483 words)

  
 Sydney sandstone
Sandstone has made the city of Sydney what it is today.
Diagrams explaining sedimentary rocks show beautiful neat layers of sand, laid out horizontally, but more sandstone is laid down, like Sydney's, in river deltas where the sand is moved, sorted, shoved and pushed before it is buried.
But however it is caused, honeycomb weathering offers us patterns of delicate stone filigree, dancing over the surface of sandstone under sheltered overhangs, either of durable and resistant iron-rich sandstone, or the equally durable pure-sand form of the stone.
members.ozemail.com.au /~macinnis/sandston.htm   (1831 words)

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