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Only got round to reading this.  I created a candidate term in Cambs for deposit sequence, which did the trick nicely! Not sure whether it was ever vetted by the DSU
 
Sarah

From: Issues related to Historic Environment Records [mailto:[log in to unmask]] On Behalf Of EDWARDS, Robert (Environment)
Sent: 24 September 2010 13:37
To: [log in to unmask]
Subject: Palaeoenvironmental Deposits

Dear All,

A good Friday afternoon question for you all:

I am amending a record for a site which is just a sequence of deposits containing plant macro/micro fossils.

 

i.e. The upper four metres of the silica sand are oxidised to a red colour, below they are white. This colour change is post depositional. Bedding within the sand indicate that the water bearing the sand ran consistently south. The sand contains frequent local concentrations of coal and black shale and very occasional gravel patches and degraded shell fragments. Within the white sand are layers of organic mud. Towards the base of the observed sections these were only 20-200mm bands of sand mixed with organic mud. The thickest (400mm) were located at the top of the section. Trunks of birch and conifers were scattered throughout the mud layers. The stump of a spruce (Picea) was found upright on the uppermost bed and was radiocarbon dated to 53,000 years BP. The succession of deposits suggests the infilling by mud and sand of shallow pools within the silica sand.

 

Any suggestions as to Monument Type?

 

Best wishes

Rob

 

Rob Edwards
Historic Environment Records Officer, Archaeology Planning Advisory Service
Cheshire Shared Services

 

Tel: 01244 973667

Email: [log in to unmask]

Location: Backford Hall, Backford, Chester Cheshire. CH1 6PZ.

 

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