MINES.
{"newspaper_name": "The Wilmingtonian, and Delaware advertiser.", "edition": "01", "page": "p2", "byline": ""}
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The richest and most celebrated gold and
silver mines. are those Of Mexico and Perm
II 5oui. America Iron mines are more A.
hundant 10 Europe than elsewhere Copper
mines are chiefly found in England, Sweden.
and Denmark; and lead and tin mines in
lanslahd: the latter more particularly in the
countY Ct Cornwall. Quicksilver mines a.
boand principally in hungary, Spain, Friuli,


h tsa Nenitian territory, and Peru; dii.
mond mines, 10 the East Indies, and in the
lira2ils and salt mines in Poland.


10 explain the structure Of mines, it should
be observed that the internal parts of the
Garth, as far a5 they have yet been invest.
gated, dc not consist Of one uniform sub
Stance, but Of various strata, on beds of sub.


tante, extremely different in their appear.
anccs, specific gravites, and chemical quail
tics, From ore another Neither are these
Strata similar 70 each other, either in their
nature or appearance, in different countries;
insamnch that even in the short extent Of
halt mile, the strata will be found quite
different from what they are in another
place. As little are they the same either in
depth or soiity. 1nnumerablc cracks and
tl'Sures are found i'll all of them; but all
these aie SO entirely different in size and
shape, that it is impossible to form any in
/ iciNilS ~ blil Nllil may nave Decn met WIN
/ relative to that which remains to be explor-
ed. IN these fssures the metallic ore is
contained.


| In Cornwall, the most common opinion
entertained by the miners is, that crude i'm
mature minerals nourish and feed the ores
with which they are intermixed in the mines;
and that the minerals themselves will il
process OF tlmc, be converted into ores pro
dnctiye VI those metals to which they have
the nearest affinity, and with which ther


havc The creates. intercourse. In lis miner
alosF q Cornwall. MIR. Price thinks 1t most
4 reaSanab.c 10 conclude, that metals were


made and planted IN veins At, or very sooi


after, the creation of the world: but that in


common with all ether matter, they are sub


cct % q degree Of fuctuation approaching


to. lr rrctdlug from, their ultimate degree
4 q perfection, either quicker or slower, as
they are O. q greater or less solid and durl'


bic frame and constitution. lie snppcses N
every meldl peculiar magnetism, and an
approximation Of PARTICLES Of the same spe.


cifc nature, ~ which its component prinei-
4 pies are drawn and united together; more
particularly the matters left BY the decom-


position st the waters passing through the
contiguous earths Or strata and deposited III
their proper Niaus or receptacle, until, by
the accretion Of more or less of its homoge-
neous particles the metallic vein may be d.
nominated either rich or barren.