1 - This piece was excavated from the top left of this deposit .
2 - It appears to have several different mineralised layers including what looks to be preserved organic material maybe wood ?
3 - The outer concretion appears to contain a lot of quartz grains .
4
5 The preserved organic material can clearly be see in this image, at first i thought it to be preserved wood , ime now not so sure and believe it could be preserved none mineralised bone .
6
The red outline shows the once spongy bone totally mineralised .
7 - The white mineral i am still unsure of but it is not calcareous .
