The word "alluvial" is correct and usable in written English.
It is an adjective that refers to something that is the result of soil or sediments being carried or deposited by a river or other body of water. For example, "The farmers planted their crops in the alluvial soil near the river."
More practical reasons suggest themselves for the success of Chilean wine: the central valleys boast rich alluvial soil, and the climate found between 28 and 38 degrees of latitude is perfect for the vines.
A new highway linking the country to Brazil opened a gateway for tens of thousands of impoverished highlanders to fan out into the jungle prospecting for alluvial gold.
Mr Zheng has found that deep alluvial beds in the Yangzi's middle course carried the zirconium signature of modern Yangzi sediment even 23m years ago.During its life, the Yangzi has writhed around.
The alluvial terraces are exhausted and the future lies in the underlying kimberlite rock.
Tendai Biti, Zimbabwe's finance minister, has described the field as "the biggest find of alluvial diamonds in the history of mankind".
Tendai Biti, the finance minister and an MDC man, says that in any case the government has not received a cent from what he describes as "the biggest find of alluvial diamonds in the history of mankind".
Men fish for their livelihoods and, as the river recedes from its annual flooding, women and children go about tilling the alluvial soil for cultivation.Most are dressed in their traditional bright colours.
And much is positive.Like much of east India, Shahabpur has rich alluvial soil, a gift of the Ganges, which flows three miles to the south.
Christchurch is still haemorrhaging residents and whole neighbourhoods, still sitting atop churned-up alluvial soil, seem destined for the wreckers' ball.
But unlike Punjab, whose alluvial aquifers in equilibrium are recharged by monsoonal rain and leakage from irrigation canals, Andhra Pradesh relies entirely on the monsoon for its groundwater replenishment.
And there is a risk that the process might temporarily raise prices of conflict diamonds if big mining houses, finding their huge deep mines uneconomic, were to close them down for that would mean a better price for rebels, scratching around river beds for alluvial diamonds.The question is what else to do in the short run to cut off rebels' diamond income.
