Further investigations in Trench 6 at the Bradford Kaims

Trench 6 Supervisor Tom Gardner and Assistant Supervisor Sam Levin give us an update on their trench at the Bradford Kaims.


Over the last two weeks we have been very busy in trench 6 at the Bradford Kaims. Our investigations have been focused in three distinct areas, each of which merits a whole excavation to itself, but are best appreciated in the context of the other two.

Primarily, we have continued the removal and investigation of the five burnt mound phases across the trench. This involves the removal of the burnt mound, apart from specially retained sampling baulks from which we can retain the stratigraphy and can obtain our micro-stratigraphic environmental samples.

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The intention of the burnt mound removal is to uncover the valuable interfaces between the mounds, to establish their cross-trench sequencing, and to identify any possible internal stratification within the deposits themselves. Equally, their removal gives us the opportunity to expose the land surface beneath them, which appears to be covered in archaeological features sealed by the mound.

Our second investigation has been the area exposed under the burnt mound deposits. Under our central burnt mound, 6020, there appears to be a series of stake-holes and post-holes peppering the subsoil.

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These are currently exposed only in a small area, but seem to run in a series of parallel linears, with individual stake-holes in lines perhaps representing wattled structures, and a post-hole linear with stake-holes around the circumference of the post, perhaps as a repair method.

Our final area of intense investigation has been our wooden platform feature. We once again had Dr. Richard Tipping of Stirling University on site to assist us with our coring and environmental analyses. Richard allowed us the use of his Russian core in order to take wide-gauge monolith samples from the platform, and to assess its depth. With this core, and a quickly dug section into the peat we have ascertained that our platform feature is almost 1.2m deep from its top, and is supported by some pretty huge timber posts and stakes.

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This discovery prompted us to investigate the platform’s length through investigative 1-inch cores, which allow us to observe the platforms structure and extent without opening test-pits and keeping it preserved in situ. Through this we discovered that the feature stretches over 11m from the burnt mound in trench 6, through all of our extension test pits, and out into the bottleneck of the peat and lacustrine system of Embleton’s Bog, which runs through the Bradford Kaims.

Our investigations will continue for the next three weeks, and will focus upon the sampling and removal of the burnt mounds, the sectioning and sampling of our post-holes and stake-holes to see if they constitute a series of structures, and the sampling of our platform feature in plan and in section.

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