What's the difference between sand and silt?

Sand


Definition:

  • (n.) Fine particles of stone, esp. of siliceous stone, but not reduced to dust; comminuted stone in the form of loose grains, which are not coherent when wet.
  • (n.) A single particle of such stone.
  • (n.) The sand in the hourglass; hence, a moment or interval of time; the term or extent of one's life.
  • (n.) Tracts of land consisting of sand, like the deserts of Arabia and Africa; also, extensive tracts of sand exposed by the ebb of the tide.
  • (n.) Courage; pluck; grit.
  • (v. t.) To sprinkle or cover with sand.
  • (v. t.) To drive upon the sand.
  • (v. t.) To bury (oysters) beneath drifting sand or mud.
  • (v. t.) To mix with sand for purposes of fraud; as, to sand sugar.

Example Sentences:

  • (1) The characteristics of the iodide-induced inhibition of cyclic AMP accumulation in dog thyroid slices have been previously described [Van Sande, J., Cochaux, P. and Dumont, J. E. (1985) Mol.
  • (2) Two control trials were conducted against Ae.samoanus larvae in Pandanus, one using a sand culture of the parasitic nematode Romanomermis culicivorax and the other with temephos, an organophosphate insecticide.
  • (3) Before you take out your bucket and spade, though, you might like to look at the sand sculpture festival (until 5 September; prices vary from day to day) for inspiration.
  • (4) "And secondly, there will also be help with sand bags, which could help prevent further flooding."
  • (5) GNM announced in October that Marc Sands, the marketing director, was to leave the company .
  • (6) benj67 asks: How do you continue to justify continued your role in financing the Canadian tar sands, arguably a greater crime than the Libor scandal?
  • (7) Hansen has been an outspoken critic of tar sands, saying last year "it will be game over for the climate if development of the oil sands isn't stopped".
  • (8) Images of dead ducks in oil sands tailings pond have been plastered on billboards in Denver, Portland, Seattle and Minneapolis.
  • (9) Bacterial genera in the GAC effluents and in the GAC units themselves were similar to those found in the raw water and in the sand beds.
  • (10) He exited the sand trap sideways, was ultimately left 8ft for par but missed to the left.
  • (11) The prevalence of canine toxocariasis in pet dogs and the associated environmental contamination were studied through examination of 107 faecal and 20 sand-pits samples for Toxocara sp eggs.
  • (12) Most definitive results were obtained when seedlings were ground in the presence of sand and in a medium containing sorbitol.
  • (13) Sanding operations also were found to produce a higher proportion of respirable dust (22%) than other woodworking operations (6%-14%).
  • (14) The fertilization reaction of echinoderm eggs (Lytechinus pictus, a sea urchin, and Dendraster excentricus, a sand dollar) was followed with intracellular electrodes.
  • (15) Since its 2013 announcement, a key aim of TTIP has been to destroy regulations that prevent high-polluting tar sand crude oil from entering Europe.
  • (16) As fighter jets screamed overhead and tanks churned up the sand, it looked and sounded like the violent protests sweeping the Middle East had spread to the wealthy emirate of Abu Dhabi.
  • (17) When my floor was dirty, I rose early, and, setting all my furniture out of doors on the grass, bed and bedstead making but one budget, dashed water on the floor, and sprinkled white sand from the pond on it, and then with a broom scrubbed it clean and white... Further - and this is a stroke of his sensitive, pawky genius - he contemplates his momentarily displaced furniture and the nuance of enchanting strangeness: It was pleasant to see my whole household effects out on the grass, making a little pile like a gypsy's pack, and my three-legged table, from which I did not remove the books and pen and ink, standing amid the pines and hickories ...
  • (18) Fracking for shale gas involves digging, often as deep as a kilometre down, and pumping a mix of water, sand and chemicals into surrounding rock to fracture it and release the gas.
  • (19) Read more on Scottish independence • ' I believe in solidarity with the folk living south of Carlisle ' • ' The UK is on shifting sands – we can't assume survival ' • ' Better Together is truly scraping the barrel now ' The fact is that far from fearing the breakup of the UK, the English are looking at the benefits that devolution has brought the Scots and asking why they are not able to enjoy the same.
  • (20) The formation of three-dimensional waves and the distance travelled increased with increasing viscosity up to 4% sodium alginate and also amongst sand gains in these media.

Silt


Definition:

  • (n.) Mud or fine earth deposited from running or standing water.
  • (v. t.) To choke, fill, or obstruct with silt or mud.
  • (v. i.) To flow through crevices; to percolate.

Example Sentences:

  • (1) Corthine said he had told Cameron 3m tonnes of silt needed to be removed from the Parrett to get it flowing properly again.
  • (2) Adsorption and movement of carbofuran (a systemic nematicide) were studied using two Indian soils (clay loam and silt loam) of alluvial origin.
  • (3) Residue content of water samples is normally one-tenth to one-hundredth that of silt, but is much higher during periods of heavy runoff.
  • (4) Dredging creates turbidity in the water that reduces the amount of light reaching the coral, affecting photosynthesis, while silt that settles on the coral interferes with its ability to feed itself.
  • (5) As the silt cleared, we found ourselves on a flat plain of yellow-tinged mud, inscribed with pits, burrows and tracks by species that eke out their existence on the detritus that settles from above.
  • (6) Dam reservoirs trap silt, which decreases their storage capacity and reduces power generation.
  • (7) Treated seeds were also planted in pots containing Nile silt for testing the efficiency of rhizobia as affected by the fungicide and the pelleting treatments.
  • (8) The larval lamprey is a filter-feeder who dwells in the silt of freshwater streams and the adult is an active predator found in large lakes or the sea.
  • (9) At Pelican Island, a 2.5 mile strip in the Barataria Bay, crews used 2.5m cubic yards of sand and silt mined from the Gulf of Mexico to build dunes and marshes, and rolled out protective fences around newly planted grasses.
  • (10) Their dams slow rivers down, reducing scouring and erosion, and improve water quality by holding back silt.
  • (11) Before the dam the closure was enforced for about 40 days, during which the canals were closed and dried up, and the silt deposited on their beds during the Nile flood dredged out together with the snails and aquatic weeds.
  • (12) The Davis family benefited when a group of locals shifted 15 tons of sand and silt from their garden.
  • (13) Equilibrium adsorption coefficient (K) values measured using a batch-slurry technique follows the order clay loam greater than silt loam soil.
  • (14) Only 2% of what is flowing through the sewers is sewage; the rest is water and accumulated debris – the vast amount of water you flush down the toilet and all the water and silt that seeps into the sewers when it rains.
  • (15) The soil is so called "Terra Roxa" (red soil) and in its physicochemical composition there is a great amount of iron oxides, silica (silt, agril laceous material), aluminium, manganese, organic compounds.
  • (16) The use of the selective media with gentamicin for plating out silt substrates containing mainly Micromonospora had practically no effect on the increase in the number of the Micromonospora cultures grown.
  • (17) The flood cycles passed on the salts that accumulated from evaporation and passed new layers of silt onto the farmlands around the marshes.
  • (18) Once you have started dredging, "it must be repeated after every extreme flood, as the river silts up again".
  • (19) "A silt fence ensures that mud down deep doesn't seep through," said Hidehiko Nishiyama, Japan's spokesman on nuclear safety.
  • (20) It was shown that Micromonospora predominated in moist soils and especially in such substrates as silts where their content with respect to the all actinomycetous isolates amounted to 88.9 per cent.

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