Site Event/Activity record ENT4788 - Borehole Survey at Kelham Road, Newark

Location

Location Kelham Road, Newark
Grid reference SK 79379 54186 (point)
Map sheet SK75SE
District Newark
Civil Parish Newark, Newark

Technique(s)

Organisation

Trent and Peak Archaeological Trust

Date

Not recorded.

Map

Description

Within the core, the silty sand topsoil and boundary reached up to 65cm, From 65 to 150cm, tannish-brown clay with <10% medium quartz sand appears, as in the test pit. The lower boundary of the clay is a gleyed humic clay, which becomes black organic silt from 160-260cm. The sediment is very humified, with no large macrofossils. Bewlos 190cm, the organic sediment has moderate and increasing quartz sand, acting as a gradual boundary with the underlying Devensian sand and gravel. The core terminated at 260cm, when large gravel was encountered. The sediments within the related test pit are consistent with alluvial sediment accumulation. The lower sand unit may be contemporary with when the palaeochannel flowed to the immediate south. Within the palaeochannel sampled, the high energy deposition directly adjacent to the channel may have occurred regularly on the banks of the Trent. The upper clay unit is consistent with low energy gradual accumulation on a wider floodplain, occuring during the periods of flooding. This deposit is likely concurrent with the present location of the Trent, and sedimentation dating up to the present day. The palaeochannel deposists demonstrate that the palaeochannel was abandoned, either naturally or through anthropogenic influence, and that the depression, location in an area with a consistently high water level, filled with organic matter that has broken down in the anaerobic environment. Occasional water flow and bioturbation disrupted the organic silt formation, evidenced by the sand from the unerlying sand and gravel within the bottom deposits of the silts. It is not possible to tell if thisis the primary fill of the palaeochannel, or if the sediment fills the drainage channel associated with the post-medieval field system.

Sources/Archives (1)

  • --- Unpublished document: T. Linington. 2015. Newark Sewer Strategy. Kelham Road, Newark: Archaeological Strip, Map and Sample Excavation and Watching Brief.

Related Monuments/Buildings (0)

Record last edited

Dec 4 2023 4:36PM

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