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2. Whindust - Wikipedia

   en.wikipedia.org/wiki/Whindust

   Whindust is a local name used in Scotland and the North of England referring to fine-grained grit or dust resulting as a by-product from the grinding and breaking of Whinstone. [ 1 ] [ 2 ] Whindust is available in several forms, washed whindust, damp whindust and whindust.

3. Agricultural lime - Wikipedia

   en.wikipedia.org/wiki/Agricultural_lime

   Agricultural lime, also called aglime, agricultural limestone, garden lime or liming, is a soil additive made from pulverized limestone or chalk. The primary active component is calcium carbonate . Additional chemicals vary depending on the mineral source and may include calcium oxide .

4. Quarter minus - Wikipedia

   en.wikipedia.org/wiki/Quarter_minus

   The quarter minus rock size can consist of rock in diameter as big as 1/4" in size and "fines" (anything smaller than the maximum allowable rock size (which in this case is 1/4), even as small as stone dust). Any aggregate with the name "minus" can contain up to 80% fines.

5. Rockdust - Wikipedia

   en.wikipedia.org/wiki/Rockdust

   Rock dust is a pulverized rock, usually limestone, sprayed on walls inside underground coal mines to prevent coal dust explosions. The dust acts as a heat sink, keeps coal dust levels down, and also prevents the incidence of black lung disease. Rock dust has been used since the early 1900s, but technological improvements have occurred. [1]

6. Mineral dust - Wikipedia

   en.wikipedia.org/wiki/Mineral_dust

   Mineral dust is mainly constituted of the oxides (SiO 2, Al 2 O 3, FeO, Fe 2 O 3, CaO, and others) and carbonates (CaCO 3, MgCO 3) that constitute the Earth's crust.The composition of mineral dust, usually named in atmospheric sciences as mineralogy composition, is relevant for different physical and chemical processes in the atmosphere, for example, oxides with iron have an effect in the ...

7. Decomposed granite - Wikipedia

   en.wikipedia.org/wiki/Decomposed_granite

   Decomposed granite, as a crushed stone form, is used as a pavement building material. It is used on driveways, garden walkways, bocce courts and pétanque terrains, and urban, regional, and national park walkways and heavy-use paths. DG can be installed and compacted to meet handicapped accessibility specifications and criteria, such as the ADA ...