silt

On Earth, sedimentary rocks made from clay and silt can be especially valuable because they are capable of preserving evidence of ancient microbial life.

From Science Daily ● Sep. 30, 2026

The construction site will be wrapped with underwater silt curtains but Leidich worries the marine lakes will be contaminated by sediment plumes.

From Barron's ● Sep. 16, 2026

So 19 members of Syston Community Flood Group donned their wellies in the middle of summer and took to Syston Brook to clear an estimated "two or three tonnes" of silt.

From BBC ● Aug. 3, 2026

Time, silt and seismic shaking have filled in much of the “cut,” but you can see it in myriad movies, most famously director John Ford’s classic “Stagecoach.”

From Los Angeles Times ● Aug. 1, 2026

At first they were just dark brown columns of silt, denser than the water around them.

From "The Last Olympian" by Rick Riordan

Premier Marinas, which owns Brighton Marina, has said dredging, which involves removing natural silts that settle in the marina basin, is needed to ensure safe navigation for boats.

From BBC ● Aug. 28, 2025

The silts and sand are a "valuable local resource" that contractors and local governments use as fill material in residential and industrial projects, the Army Corps said.

From Scientific American ● Sep. 17, 2019

About 70% of the hull has survived, well-preserved in the Nile silts.

From The Guardian ● Mar. 17, 2019

Lake-clogging soil and silts are being loosed from newly deforested lands far upstream, and scientists also warn that climate change is upsetting Himalayan rainfall patterns.

From Seattle Times ● Nov. 11, 2016

But Hess’s readings showed that the ocean floor offered anything but the gooey smoothness of ancient silts.

From "A Short History of Nearly Everything" by Bill Bryson

The system is also 70% silted or clogged after over a century of use, Mr Bonoan told news outlet ABS-CBN News.

From BBC ● Jul. 23, 2025

But never have the lakes been silted as they are today,” says Simiyu.

From The Guardian ● Dec. 13, 2020

Over the centuries, it fell into disrepair, becoming silted up from falling leaves and rotting tree roots.

From The New Yorker ● Jan. 20, 2020

It had silted by 1885 when Kidwell died, and the Supreme Court later claimed the land for the government, APhA historian George Griffenhagen said at a 2002 association meeting.

From Washington Post ● Oct. 18, 2017

A dam across the Missouri River in Nebraska silted up so disastrously that a noisome ooze began to pour into the town of Niobrara, eventually forcing its permanent abandonment.

From "A Walk in the Woods" by Bill Bryson

Geographers had already noticed that rivers tend to avulse at the foot of mountains, where slopes change dramatically and sediment settles out, silting up the bed.

From Science Magazine ● May 13, 2021

Thanks to silting and reclamation in the tidal Liffey, Usher’s Island itself has for centuries been joined to the mainland.

From New York Times ● May 11, 2021

The Chesapeake has struggled for decades from overfishing, silting and pollution, especially from runoff from urban areas and farms.

From Reuters ● Jun. 16, 2014

The Yellow River picks up huge amounts of this yellow earth and so you get the river silting up and it will occasionally burst its banks.

From BBC ● Oct. 18, 2012

Yes, everything was once water, but the Earth formed out of the oceans by a natural process—similar, he thought, to the silting he had observed at the delta of the Nile.

From "Cosmos" by Carl Sagan