alluvium

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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 ?
Numerous geological reports exist which identify that the area containing this resource has been of great interest as a potential source of alluvial mineralisation since the turn of this century and minor resources have historically been exploited here as indicated by the appearance of several mining leases.
Chan Kwan Hung, CEO of NAR, said, "The first recovery of approximately 1,200 grams of raw alluvial gold is a significant achievement for the Company, especially when gold prices are currently high.
Much of the innovation made in this facility is driven by the many years of practical hands-on experience that Hennie van Wyk and his team accumulated while building a successful alluvial diamond business.
indicating that the alluvial flats system, within the project area, contains
Their success extended the life of the alluvial empire, but the war, concludes Woodruff, set in motion a series of internal and external challenges that precipitated the regime's collapse, a fate not unlike that of the colonial empires of Western Europe.
In the Ganga Alluvial Plain, the active floodplains of most of the rivers are narrow and entrenched within the broad river valleys, which are located south of the mega fan surfaces that correspond to the Himalayan rivers meeting the Ganga River.
An understanding of the fundamental processes and products of floodplain evolution is essential for the interpretation of archaeological sites in alluvial contexts and can yield fascinating insights into human-environment relationships.
The development of a geographic information system for the entire Mississippi Alluvial Valley by the Lower Mississippi Valley Joint Venture was critical to the success of this project.
We are very pleased that as a result of the installation of new mining and refinery equipment, and with adjustment of our mining procedure, the alluvial program is beginning to contribute net cash flow to significantly offset the Company's operating expenses.
As the moorlands of bog woodlands depend heavily upon the stabilisation and re-establishment of natural hydrologic conditions, the project seeks to re-establish a near-natural water regime within the alluvial areas and forests, as well as the associated waterways.
that SouthernEra's 100% owned Badibanga Alluvial Diamond Project ("BADP") in
The principal future water supplies for (the district) will continue to be groundwater pumped from the alluvial aquifer and Saugus Formation and imported (State Water Project) water from the Castaic Lake Water Agency,'' the report's author wrote.