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 ?
The Property is located within the Luembe River drainage in northeast Angola and constitutes the bulk of the alluvial diamonds extracted until now in Angola and represent a large fraction of the still existing diamond resources.
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.
The focus of the test mining programme is reportedly to provide a bulk sampling opportunity to confirm the adequacy and accuracy of the initial test pitting programme and to examine the distribution and character of gold contained in the various alluvial strata.
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.
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.
Santokh Singh summarize |Osborne & Chappel's worldwide experience in alluvial mining during the 1980s', referring to particular case histories.
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.
The alluvial mining contracts may differ considerably in structure and it was therefore deemed appropriate to modify the terms of the agreement to allow the parties to enter into various contracts.
Two water filters just outside a regional pumping station along Bouquet Canyon and Soledad Canyon roads, would treat the complete flow of water coming out of the alluvial well - roughly 1,300 gallons per minute.
the contained gold particles are generally significantly coarser than in other alluvial deposits identified by the Company to date, thus making gold recovery by simple gravity concentration more effective,
It covers 699 ha, about 31 km of the river Isar as well as the outstanding alluvial forest and alluvial island system between Loiching and Ettling in the county of Dingolfing-Landau.