alluvial deposit


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Related to alluvial deposit: fluvial deposit

alluvial deposit

[ə′lüv·ē·əl di′päz·ət]
(geology)

alluvial deposit

Earth, sand, gravel, or other rock or mineral materials transported and laid down by flowing water.
References in periodicals archive ?
Key words: Engineering geology, X-Ray diffraction, soil, alluvial deposits, characterization.
The groundwater aquifers in the area are the weathered basement and the Alluvial deposits of the wadis.
Bore-hole logs of buildings and bridges in and around Phnom Penh city were used to clarify the subsurface geology, especially with regard to alluvial deposits of the Mekong.
New correlations are developed for alluvial deposits of Surat and SUDA using laboratory results shown in Table 3.
The core objective of the book is to show that an understanding of the nature of modern rivers and floodplains is necessary to the rational analysis of alluvial deposits and river-channel problems.
These authors cautioned that the identification of parna by its radiometric signature was made difficult by its similarity to the radiometric signature of older alluvial deposits, and the reworking and weathering of panda following its deposition.
The Benzdorp property is one of the largest mineral properties in Suriname, producing over 1 million ounces of gold, including 500,000 ounces from bucket-line dredging and 500,000 ounces via small-scale hydraulic mining, from the rich alluvial deposits.
Alluvial deposits of native gold found in or along streams were the principal sources of the metal for the ancient civilizations of the Middle East.
The second is that the extraction of underground water to satisfy industrial and domestic needs has led to the compaction of the lagoon's alluvial deposits and a progressive subsidence of the lagoon floor.
DISTRIBUTION AND ORIGIN OF LATE CENOZOIC ALLUVIAL DEPOSITS IN SHELBY COUNTY, TENNESSEE.
De Beers, which operates the Williamsons mine in Tanzania, has found a number of kimberlites at the site over the past two years and is currently evaluating them, since the alluvial deposits close to the Madui pipe which produced some 116,000cts in 1997, are nearly exhausted.
To retrieve the gold settled in the bottom of stream beds, many miners use suction dredges, which excavate alluvial deposits of sand, silt and clay from riverbed bottoms for processing.