until the land owner be fatisfied, he having
the prior claim.
This county is extremely full of fmall
veins, almoft every miner polfeffing more
or lefs, Such are feldom rich in produce,
and indeed they have been rarely analyfed;
but were the produce of every new vein
fubmitted to analyfis, it might lead to many
advantages.
SECTION
S E C T I O N VI.
Ob/ervations on Cat Dirt.
I t has already been obferved in the end
of Se&ion IV. that there fometimes occurs
in the Derbyfhire mines a ftratuin of decom-
pofed toadftone, with the appearance of indurated
clay, full of holes, containing green
globules, fpar, &c. Having been informed
that lead ore had fometimes appeared in
this fubftance, and afterwards feeing it
mentioned by Werner (on the information
of a Derbyfhire gentleman), and from him
by Mr. Kirwan, in his Geological Effays,
p, 288, I became anxious to difcover the
truth of this matter. This defire was.en-
creafed by the recent work of Faujas ^de
% Fond, entitled Travels in England and
Scotland,