Download - British Geological Survey
Download - British Geological Survey
Download - British Geological Survey
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
‘T Permotrias<br />
1 Carboniferous<br />
j Silurian<br />
kdovician<br />
3A Ashgill<br />
3C Caradoc<br />
-- - Major faults<br />
zinc in panned concentrate<br />
I<br />
I I I I I<br />
1 10 50 90 99<br />
probability<br />
c