Saturday, August 15, 2009

London's Oldest Timber Structure

'London's oldest timber structure has been unearthed by archaeologists from Archaeology South-East (part of the Institute of Archaeology at UCL). It was found during the excavation of a prehistoric peat bog adjacent to Belmarsh Prison in Plumstead, Greenwich, in advance of the construction of a new prison building. Radiocarbon dating has shown the structure to be nearly 6,000 years old and it predates Stonehenge by more than 500 years...

'he structure consisted of a timber platform or trackway found at a depth of 4.7m (about the height of a double decker bus) beneath two metres of peat adjacent to an ancient river channel (image available). Previously, the oldest timber structure in Greater London was the timber trackway in Silvertown, which has been dated to 3340-2910 BC, c. 700 years younger.
Wetlands adjacent to rivers such as the Thames were an important source of food for prehistoric people, and timber trackways and platforms made it easier to cross the boggy terrain. The structure discovered at Plumstead is an early example of people adapting the natural landscape to meet human needs. The peat bogs which developed at Plumstead provided ideal conditions to preserve organic materials, which in other environments would have rotted away. The peat not only preserved wood, but also other plant matter - down to microscopic pollen grains - which can inform us about the contemporary landscape'.

More here and at Caroline's Miscellany. Quick we've found evidence of an ancient landscape let's build a prison on it - yes I know they wouldn't have found it if they hadn't been building the prison, but it still seems weird.

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