The tunnel will traverse multiple difficult subsoil layers: a surface of historical and active landfill materials, including spoil from London tunneling projects and decades-old power station fly ash, a thick layer of alluvium composed of silts, clays, and peat, and, finally, highly variable chalk.
—
Theo Burman,
MSNBC Newsweek,
6 July 2025
At some point, alluvium buried the entire tusk, possibly from major storm flooding.
The shocker is a plot of earth’s temperature, obtained from ice cores and lake sediments, tracks minima and maxima of the sunspot plot at six different times between 1600 and 2000.
—
Ian Dexter Palmer,
Forbes.com,
4 Aug. 2025
These tools can detect forest loss, identify mining pits and sediment runoff, and analyse changes over time.
Healthy soils are composed of a mixture of sand, silt, clay, and organic matter, which provide nutrients to plants and help water drain properly.
—
Lauren Landers,
Better Homes & Gardens,
12 Aug. 2025
When similar deep drawdowns occurred at Green Peter and Lookout Point dams in the Willamette Valley, downstream rivers turned brown, and silt challenged the drinking water plants serving towns such as Albany and Lebanon.
In Friuli Venezia Giulia, the soils are rich in marl and sandstone, locally referred to as ponca.
—
Joseph V Micallef,
Forbes.com,
28 June 2025
The vines are planted in limestone, marl, and clay soils and are situated with eastern and southeastern exposures at altitudes of 750 to 1,000 feet so grapes mature perfectly with the right balance of sugars, acid, and minerality.
—
Mike DeSimone and Jeff Jenssen,
Robb Report,
14 Mar. 2025
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