Floors Restored                  

Natural Stone, Ceramic Tile, and Solid Floor Cleaning Specialists 

www.floorsrestored.co.uk                                                                                                                    Tel No: 07518 951987

 
                                                                           

 

LIMESTONE

Limestone is a sedimentary rock composed largely of the minerals calcite and/or aragonite, which are different crystal forms of calcium carbonate (CaCO3).

Like most other sedimentary rocks, limestones are composed of grains; however, most grains in limestone are skeletal fragments of marine organisms such as coral or foraminifera. Other carbonate grains comprising limestones are ooids, peloids, intraclasts, and extraclasts. Some limestones do not consist of grains at all, and are formed completely by the chemical precipitation of calcite or aragonite, i.e.travertine.

The solubility of limestone in water and weak acid solutions leads to karst landscapes. Regions overlying limestone bedrock tend to have fewer visible groundwater sources (ponds and streams), as surface water easily drains downward through joints in the limestone. While draining, water and organic acid from the soil slowly (over thousands or millions of years) enlarges these cracks, dissolving the calcium carbonate and carrying it away in solution. Most cave systems are through limestone bedrock.

Limestone often contains variable amounts ofsilicain the form ofchert(chalcedony,flint,jasper, etc.) or siliceous skeletal fragment (sponge spicules, diatoms, radiolarians), and varying amounts ofclay,siltandsand(terrestrialdetritus) carried in by rivers. The primary source of the calcite in limestone is most commonly marine organisms. These organisms secrete shells made of aragonite or calcite, and leave these shells behind after the organisms die. Some of these organisms can construct mounds of rock known as reefs, building upon past generations. Below about 3,000 meters, water pressure and temperature conditions cause the dissolution of calcite to increase nonlinearly, so limestone typically does not form in deeper waters.

  

 

  

 

 

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LIMESTONE TILE CLEANING & POLISHING

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Leeds, Bradford, Harrogate, Sheffield, Huddersfield, Wakefield, Halifax, Ripon, York, Hull, Newcastle, Sunderland, Durham, Scarborough, Lincoln, Nottingham, Wetherby, Boston Spa, Beverley

 

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West Yorkshire, North Yorkshire, South Yorkshire, East Yorkshire, Humberside, Cleveland, County Durham, Tyne & Wear, Northumberland, Cumbria, Lincolnshire, Nottinghamshire,

 

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