Geological Map of Buckinghamshire to Colour

Choose colours or an ornament to show the different rocks of Buckinghamshire

Key: 8 [  ] Reading Beds (sands, clays);   7 [  ] Chalk;   6 [  ] Gault Clay

5 [  ] Lower Greensand;  4 [  ] Portland Limestone;  3 [  ] Oxford & other clays

2 [  ] Blisworth Limestone;  1 [  ] Lias muddy limestones