http://72.14.177.54/Environmental_Technology/?action=history&feed=atom&title=LimestoneLimestone - Revision history2026-06-15T06:13:45ZRevision history for this page on the wikiMediaWiki 1.15.1http://72.14.177.54/Environmental_Technology/?title=Limestone&diff=2598&oldid=prev209.131.254.189 at 04:31, 10 March 20062006-03-10T04:31:29Z<p></p>
<p><b>New page</b></p><div>Limestone is a sedimentary rock composed largely of the mineral Calcite (i.e. Calcium Carbonate). Limestones often contain variable amounts of silica in the form of chert or flint, as well as varying amounts of clay, silt and sand as disseminations, nodules, or layers within the rock.<br />
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==Reference:==<br />
http://en.wikipedia.org/wiki/Limestone</div>209.131.254.189