Many radiocarbon dates, which were obtained from organic matter preserved within undisturbed sediments are greater than 14,000 BP radiocarbon in age.

Trace amounts of meteoric dust and variable amounts of volcanic ash occur within pelagic sediments.

The site also contains important Pleistocene/Quaternary mammal remains within sediments infilling former caverns exposed on the north east face of Westbury Quarry.

Radium-226 is a decay product of thorium-230, which is produced within sediments and supplied by rivers.

Three different shapes of chloride pore water profiles reflect three different transport modes within marine sediments.

Tabular deposits consist of irregular tabular or elongate lenticular zones of uranium mineralisation within selectively reduced sediments.

The UCM fraction often represents the major component of hydrocarbons within hydrocarbon-polluted sediments (see reference therein) and biota e.g.

This is not to say that these features are not present within more clay-rich or carbonate mud-rich sediments.

The margins of the greenstone belt contain major gold anomalies within Tertiary sediments eroded from the greenstone belt.

It is occasionally found in ash layers within marine sediments.