Alluvial

Rich alluvial diamond deposits make Namibia a primary source for gem-quality diamonds.

He is one of many who have flocked to the Kangari hills in southern Sierra Leone to find small fortunes in the hard graft of alluvial gold mining.

Immediately after the inundation is imbibed, the Beduins sow the seed upon the alluvial mud, without any previous preparation whatever.

Soils are a prominent feature of floodplain environments, and we include them in this section because most of the available information on ancient soils pertains to alluvial examples, aside from those in Quaternary-Recent time.