Finding the Evidence

Select a section of the Thorney core from the diagram below. You will then see information relating to this part of the core sample. Click on the Evidence links to view specific evidence core timelines.

Exploring a Core: 5.8m

0 - 0.8m
0.8 - 1.5m
1.5 - 2.5m
2.5 - 3.5m
3.5 - 5.5m
5.5m
5.6m
5.8m CURRENT
5.8 - 7m
 

Summary of evidence

image1 Radiocarbon Dating Age: 8800 Before present
What era: Mesolithic
Sample from: 5.8m
   
more Sediments Sediment sequence fines up from gravel
and sand to fine sand and silt
more Pollen Low amounts of pollen. Indicates mostly open and grassy
more Foraminifera &            Ostracods Estuarine foraminifera
more Diatoms N/A
more Molluscs N/A
 

Putting the evidence together

image1
This picture is not taken in Chichester Harbour but shows what the open grassy environment was like 8,800 years ago with a stream silting up



Environment
shown in core: 

Stream channel which silts up
Land nearby:

Open grassy land
Comment: As the climate warmed enough then grasses predominated.

Core Depth

0-0.8m      0.8-1.5m     1.5-2.5m      2.5-3.5m     3.5-5.5m      5.5m     5.6m      5.8m       5.8-7m



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