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2. Diatomaceous earth filtration - Wikipedia

   en.wikipedia.org/wiki/Diatomaceous_earth_filtration

   Diatomaceous earth filtration is a special filtration process that removes particles from liquids as it passes through a layer of fossilized remains of microscopic water organism called diatoms. These diatoms are mined from diatomite deposits which are located along the Earth's surface as they have accumulated in sediment of open and moving ...

3. 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.

4. Wikipedia : Picture peer review/Diatomaceous earth

   en.wikipedia.org/.../Diatomaceous_earth

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

5. Sisquoc Formation - Wikipedia

   en.wikipedia.org/wiki/Sisquoc_Formation

   Since some of its diatomites, along with those of the underlying Monterey Formation, are of unusual purity and extent, they can be mined as diatomaceous earth. France-based Imerys operates a mine in the Sisquoc and Monterey Formations in the hills south of Lompoc, California, the largest such operation in the world. [7] [8]

6. Dollarama - Wikipedia

   en.wikipedia.org/wiki/Dollarama

   In early 2009, Dollarama began to introduce items priced up to $2.00 (including $1.25 and $1.50 price points). Due to the positive response from consumers to the multi-price point strategy, the stores introduced items at $2.50 and $3.00 in August 2012. It again increased price points to include $3.50 and $4.00 items in August 2016.

7. Dynamite - Wikipedia

   en.wikipedia.org/wiki/Dynamite

   After its introduction, dynamite rapidly gained wide-scale use as a safe alternative to black powder and nitroglycerin. Nobel tightly controlled the patents, and unlicensed duplicating companies were quickly shut down. A few American businessmen got around the patent by using absorbents other than diatomaceous earth, such as resin. [4]

8. Fuller's earth - Wikipedia

   en.wikipedia.org/wiki/Fuller's_earth

   Fuller's earth is the most common spelling today, but both fullers earth and fullers' earth remain in wide use. [4] Fuller's earth is also known by the following other names: Bleaching clay, [5] probably because fulling whitened the cloth. Whitening clay, particularly when used to treat facial pigmentation, such as melasma.

9. Rare-earth mineral - Wikipedia

   en.wikipedia.org/wiki/Rare-earth_mineral

   Rare-earth ore, shown with a United States penny for size comparison. A rare-earth mineral contains one or more rare-earth elements as major metal constituents. Rare-earth minerals are usually found in association with alkaline to peralkaline igneous complexes in pegmatites. This would be associated with alkaline magmas or with carbonatite ...