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 ?
It intersected the quartz vein after 35 feet of alluviums and continued in it to 99 feet, the total depth of hole, with values ranging from 13 gm/ton to 70 gm/ton (approximately 1/3 ounce/ton to just over 2 ounces/ton gold) readings from samples using the NITON pXRF.
Plus, the alluviums in the area of the Swiss Bell will be tested with many short drill holes.
Also, the alluviums in the area of the Swiss Belle area will be tested with many short drill holes.