[DOC] [TLE] Calcite Mineral | Uses and Properties - GEOLOGY.COM [PAR] It is extremely common and found throughout the world in sedimentary, ... 
Limestone is a sedimentary rock that is composed primarily of calcite. It forms 
from both the chemical precipitation of calcium carbonate and the .... This is a 
nonflammable dust that is sprayed onto the walls and roofs of underground coal 
mines to... [DOC] [TLE] Limestone: Rock Uses, Formation, Composition, Pictures [PAR] Limestone is a chemical or biological sedimentary rock that has many uses in ... 
Some limestones can form by direct precipitation of calcium carbonate from ... 
Chalk: A soft limestone with a very fine texture that is usually white or light .... the 
explosion hazard produced by suspended particles of flammable coal dust in the 
air. [DOC] [TLE] Glossary of Mining Terms - Kentucky Coal Education [PAR] Backfill  Mine waste or rock used to support the roof after coal removal. ... 
Blasting cap - A detonator containing a charge of detonating compound, which is 
... Bug dust - The fine particles of coal or other material resulting form the boring 
..... to be the remains of the stump of a tree that has been replaced by sediments 
so that... [DOC] [TLE] From Hills to Hearths: Family Operated Wagon Coal Mines in the ... [PAR] Coal is a soft black or brown rock and is one of the most useful rocks. ... The 
major elements of coal are silicon, calcium, aluminum, iron and magnesium ... in 
Wyoming with 16,800 square miles containing 237,110 million tons of coal. ... 
used as chief explosives, but have a tendency to set fire to the gases and dust so 
they... [DOC] [TLE] FORSYTH GEM AND MINERAL CLUB, INC. Nature's Treasures [PAR] Aug 20, 2016 ... Gaskill or Jeanne Schlottman prior to the meeting so that alternate .... Calcite is a 
rock-forming mineral with a chemical formula of CaCO3. ... These rocks are 
extremely common and ... This is a nonflammable dust that is sprayed ... of 
underground coal mines to reduce the amount of coal dust in the air (which. [DOC] [TLE] Chapter 62 - Minerals and Agricultural Chemicals [PAR] Because silica contamination of aluminium-containing ores is common, the 
health ... Hazards of mining and of coal dust are discussed in the chapters Mining 
and .... Limestone is a sedimentary rock composed mainly of calcium carbonate 
in .... building material, and in the manufacture of stoneware, explosives and so 
on. [DOC] [TLE] Silicosis - Wikipedia [PAR] Silicosis is a form of occupational lung disease caused by inhalation of crystalline 
silica dust, ... Chronic cough and exertional dyspnea are common findings. .... 
mining using explosives, would raise fine-ultra fine crystalline silica dust(rock 
dust). ... thought to be caused by exposure to sand dust containing organic 
antigens,... [DOC] [TLE] Geology Terms  Resource Opportunities [PAR] Every investor in the mining industry has heard about porphyry deposits, yet ... 
The Geology Of Platinum Group Metal Deposits Or: Why is it so hard to find ... A 
method of concentrating valuable minerals or coal based on their adhesion 
properties. .... Calcium, magnesium and/or iron carbonate rich sedimentary rock; 
often... [DOC] [TLE] 9 Sedimentary, igneous and metamorphic rocks - Wiley [PAR] Which rocks are formed from the remains ... Mining for metals 291 ... Attempt to 
classify them as igneous, sedimentary ... Quartz, one of the most common 
minerals, consists of .... different from basalt because it cooled so quickly that ..... 
Coal. Limestone. 9.3 Sedimentary rocks work sheet. 287. 9 Sedimentary, igneous 
and... [DOC] [TLE] Appendix:Dictionary of Mining, Mineral, and Related Terms/D/5 ... [PAR] A mine car so constructed that all the haulage motor has to do is to pull the 
loaded trip ... An oversized clast in laminated sediment that depresses the 
underlying ... A soil and rock failure criterion, which accounts for the general 
effect of all three ..... The fine coal left after separating the lumps; very fine 
screenings; dust. e. [DOC] [TLE] Appendix:Dictionary of Mining, Mineral, and Related Terms/R/4 ... [PAR] ... of a mine. The dust from the roof is generally included with

Question: Coal dust is very explosive, so mines are sprayed with "dust" from this common calcium-rich sedimentary rock
Answer: limestone