alluvium

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Related to alluvial deposit: fluvial deposit

alluvium

The material deposited on land by virtue of the process of accretion. The accretion process occurs when rivers or other waters deposit silt and mud on land,and thus create more land; the silt and mud making up the new land is called alluvium.

References in periodicals archive ?
Portions of the concession are covered by alluvial deposits and flood plains.
Gold and platinum have been recovered from alluvial deposits for centuries and it stands to be a very exciting endeavor to try and locate the bedrock source of these precious metals.
In summary, there is excellent potential for economic recovery of gold from the alluvial deposits in the Offin River Valley within Sunergy's Nyinahin concession,' Robert Levich, Director.
In the meantime, we are exploring the Million Mountain trend to evaluate the grade and extent of the alluvial deposits recently discovered in nine zones.
These local miners are already active and recovering diamonds from surface alluvial deposits on the western boundary of our Magembe property.
Pan samples of alluvial deposits at Dime Creek revealed high-grade placer gold and platinum concentrations, as well, as uranium at the head of Quartz Creek.
The alluvial deposits on Dime Creek are composed of mostly volcanic andesite and basalt sand and gravel with occasional cobbles of intrusive olivine dunite.
SearchGold's scoping studies on the Mandala alluvial deposits confirm the high diamond grades derived from Mano's kimberlite dykes.
Haber has also been actively working in Ghana toward the implementation of a program known as the Strategic Abatement of Mercury and Poverty (STAMP), and is confident that a portion of the Good Ground property containing alluvial deposits can be utilized for the STAMP program as well.
A preliminary delineation and evaluation of recent alluvial deposits and of the basal conglomerate will be carried out in order to provide a very preliminary evaluation of the diamond content in the pipes.
On the Mercurio project, informal gold production from alluvial deposits and saprolite soils by local miners has occurred locally over an area of eight by four kilometers.
The Company plans to implement a detailed geotechnical program to identify the sources and productivity of the alluvial deposits.