Here is the first draft of a cave geology font. it delineates the strata
in Carboniferous limestone and is therefore suitable for over 90% of the UK
I suugest that in preparing a survey the symbols be allocated as follows:-
One at each entrance and for each of the main routes a symbol at the point
which marks the top of each stratum.
It would be possible to expand it to include key fossil types but there are
a lot of these and no regular symbolic method of differentiating them. I
think thay therefore best inserted as text notation. The D2, K1 notation
on the other hand is well known to geologists.
If this approach is agreed I will see about adding additional symbols to
this font for other cavernous UK limestones (magnesian, oolitic, devonian).
A separate font will be necessary for mines and underground quarries due to
the range of strata involved.
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