alluvial mining


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alluvial mining

[ə′lüv·ē·əl ′mīn·iŋ]
(mining engineering)
The exploitation of alluvial deposits by dredging, hydraulicking, or drift mining.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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(66.) Alfred Brownell, "Alluvial Mining in Liberia: The Case of Poor Regulations, Lack of Investment, Disorganization, Ignorance, Abused Labor and Resources," Green Scenery Report (Monrovia: Green Advocates, January 2009); UN Security Council, Res.
The patients were most likely infected during alluvial mining and use of water from the Kwango/Cuango River for domestic activities.
And Janse (1996) suggests that Africa may not only continue to be a major diamond producer, but may again become the major producing diamond province of the world, perhaps thanks to technological breakthroughs at the marine deposits, or perhaps also to new kimberlite discoveries in central and western Africa, where alluvial mining so far has been the only important kind.
This is particularly the case with the Chinese community at the Mount Alexander diggings, especially in regard to alluvial mining. Mining statistics reveal that for the final quarter of 1867, forty-nine thousand alluvial miners worked in Victoria, in contrast to fourteen thousand quartz miners.
It is not calling for sanctions or a boycott against a country which has just emerged from a cruel civil war, but it does express the needs of the 30,000 workers of the alluvial mining sector of Sierra Leone.
These are seen as the way to meet the increasing need for low cost, easily transported dredges that are quick to bring into production and efficient in operation, being specifically designed for alluvial mining. The standard range of this PP Series includes dredges of 100-, 175- and 250-litre bucket capacity with digging depths up to 15 m.
Correspondingly, in a recent visit to Tarkwa by Sabine Luning, galamsey explicitly asked her to voice their concern about the way in which all their mining was being equated with alluvial mining. They claimed that their reworking of old shafts is less damaging to the environment than alluvial techniques.
Before the imposition of the ban, some of these Chinese illegal miners and their Ghanaian collaborators had mounted gold mining machines, popularly referred to as changfans, on our major water bodies such as Offin, Prah, Ankobrah, White Volta, with a host of others doing serious alluvial mining. To denigrate our dignity as Ghanaians, these Chinese were reportedly easing themselves into the Ankobra River because they do not drink from it.
Exumax, established in 2010, is focused on the alluvial mining industry.
Silverado Gold Mines conducted alluvial mining at its Nolan gold project in the southern Brooks Range.
Existing infrastructure at the site from the previous alluvial mining operation is being exploited and has resulted in substantial savings.