mineral dust

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mineral dust

A very finely divided mineral product, the greatest bulk of which will pass through a 74-micron (No. 200) sieve; the most common such material is pulverized limestone.
References in periodicals archive ?
A GRANDMOTHER is fighting for her life after being choked by a freak Saharan dust cloud.
The cocktail of emissions, Saharan dust and good weather meant the West Midlands was among those parts of the UK expecting a higher increase in its air pollution levels.
The region, along with Greater London, is experiencing high pollution levels as pollutants from local sources such as traffic fumes trapped near the ground combine with dirty air blown from the continent and a small amount of Saharan dust.
The problem was caused by a build-up of pollutants from local sources such as traffic fumes which are not dispersing in the still weather, combined with dirty air blown from the continent and a small amount of Saharan dust.
What we do have is some Saharan dust joining some pollution in the South East.
This is due to a combination of pollutants trapped near the ground, a light south-easterly flow bringing additional pollutants from the continent and, in addition, a small amount of Saharan dust in the air.
Scientists from a UK university who mapped the nutrient content in the Atlantic found that plants grow in the region because of the minerals carried in Saharan dust storms.
He plans to look for chemical fingerprints in Saharan dust that can prove the Bahamian iron's African origins.
The same noxious mix of Saharan dust and urban air-pollution sources affected other parts of Europe, too.
The teeming rain mixed with strange red Saharan dust didn't encourage people to leave their homes and the place was quiet when we arrived - just a few people having a drink in the comfortable lounge bar, which meant we had the dining room to ourselves.
No 3 states: "Researchers have linked Saharan dust to coral disease".
LIVING in London I'm surprised that I'm still alive, such is the scaremongering over the Saharan dust cloud over the city.