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2. Siliceous soil - Wikipedia

   en.wikipedia.org/wiki/Siliceous_soil

   Siliceous soils are formed from rocks that have silica (SiO 2) as a principal constituent.The parent material of siliceous soils may include quartz sands, chert, quartzite, quartz reefs, granite, rhyolite, ademellite, dellenite, quartz sandstone, quartz siltstone, siliceous tuff, among others. [1]

3. Silica sand - Wikipedia

   en.wikipedia.org/?title=Silica_sand&redirect=no

   This page was last edited on 10 July 2023, at 10:48 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...

4. Sodium silicate - Wikipedia

   en.wikipedia.org/wiki/Sodium_silicate

   Method 1 requires passing carbon dioxide gas through the mixture of sand and sodium silicate in the sand molding box or core box. The carbon dioxide reacts with the sodium silicate to form solid silica gel and sodium carbonate. [citation needed] This provides adequate strength to remove the now hardened sand shape from the forming tool ...

5. Sand - Wikipedia

   en.wikipedia.org/wiki/Sand

   Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class of soil or soil type; i.e., a soil containing more than 85 percent sand-sized particles by mass. [2]

6. Diatomaceous earth - Wikipedia

   en.wikipedia.org/wiki/Diatomaceous_earth

   Diatomite rock sample from Sisquoc Formation Scanning electron micrograph of diatomaceous earth. Diatomaceous earth (/ ˌ d aɪ. ə t ə ˈ m eɪ ʃ ə s / DY-ə-tə-MAY-shəs), also known as diatomite (/ d aɪ ˈ æ t ə m aɪ t / dy-AT-ə-myte), celite, or kieselguhr, is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder.

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8. Sand mining - Wikipedia

   en.wikipedia.org/wiki/Sand_mining

   Frac sand facility in Blair, Wisconsin Frac sand mine in the Town of Oakdale, Wisconsin with a large looped track with 3 rail lines. Silica sand mining business has more than doubled since 2009 because of the need for this particular type of sand, which is used in a process known as hydraulic fracturing. Wisconsin is one of the five states that ...

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   Select appliances are up to 40% off through Monday at Home Depot. Each comes with free delivery and install, which you absolutely cannot beat. Refrigerators and select washers and dryers are up to ...