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| First day - pm | ||||||||||||||
| After lunch its a case of checking all the data gathered during the morning's excavation. Jane Sidel, environmental lecturer at University College London, has been gathering soil core samples from the Thames foreshore all morning. By using an auger (which is like a large hollow drill bit attached to a pole with a cross bar turning handle) soil cores can be extracted, examined and recorded to provide a layer by layer stratigraphic picture of the underlying geology. It was very hard going this morning, says Jane, just a few centimetres under the surface, and cropping up all over the place, is an old barge bed made of compacted chalk. This made it rather difficult to get the auger started. Jane and her team are trying to find the level of the original Bronze Age working surface in the layers they discover. Provisional analysis looks good . |
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One thing we can exclusively reveal is that the actual post hole feature in which the timber post is set was clearly defined in the last stages of excavation (just before the tide caught up with us). The fill of the post hole was compacted by the Bronze Age people who set the post in place. Right now its back under water until we can see it again tomorrow morning, then maybe we can learn something from this 3,000 year old fill. During the afternoon Onsite caught up with Mick Aston for his thoughts so far. |
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| Last year Mick was fully booked with his professorship at Bristol University, Time Team, a couple of books, his Shapwick Medieval Village project and a busy lecture tour. This year hes reorganised things a little. Ive actually taken a year's sabbatical from Bristol University. Im still working with my post-graduate students, but otherwise Im taking a bit of a break. This lets me concentrate on Time Team, the writing up of the Shapwick project post excavation reports, and my monasteries book. Ive been saying that Im starting my monasteries book for ages, well now I really have! Mick spent his afternoon on the Thames riding in an ex-army DUKW which is like a truck and boat combined into one on road / off road / on water vehicle. He was accompanied by Stewart Ainsworth (Time Teams landscape lumps and bumps man) and Gus Milne from University College London who is a specialist in archaeology on the Thames. |
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Gus pointed out that foreshore changes affect the river. Its important to restore the site to its original condition before the water level rises. If we do anything to change the water flow around the remaining posts it could speed up the erosion process, said Gus. The main point of using the DUKW was to travel the course of the river. Stewart is trying to reconstruct how the river may have looked in the Bronze Age, and it would have been quite different from how it looks today. Im looking at the Admiralty soundings for the river dating back to 1580. Thats long before the embankments were here. Im also looking at a range of different maps to try and determine the original landscape, said Stewart. Keep posted to these pages for updates on how hes getting on. Tomorrow looks like its going to be a good day. Time Team are going to get the results in on the auger core survey, the post hole fill is going to be investigated, Stewart will be running over his theories for the course of the Bronze Age river, and Phil will be helping with the reconstruction cameo. |
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