‘ ( 558 ) 
MINES, METALS, AND GEMS- 
Tliro^e;ii d;;rk ipircats pursue the wiiuiini; ore, ,j 
tieiireii iuitereV di ptiis, ;im! view her bomiiliess S'* 
The M (■iTl. cause in tuneful nmiibers siii", 
How metals first were framed, and whence the)’ ■‘'r 
■Wdicthcr the r.eiive st;r., w ith chymic iiames, 
Tiiniujrli porous earth trau'tiiits his nciiial healus! 
\i nil heat iuiprcf;iiali!Jir the w omb o( nie'.it, 
Tue oiisprini; shines will) his iiaUnird !i?lil :• — 
Or whelhcr, urged by snhlerraiieous flames, 
I'he earth ferments, and flow's in liquid sireaniSi 
Purged from their dess, the nolilej- parts n ^ 
lleeeivcnew' fonns, and with fresh luauly shin*-' ■ 
Or whether by ereation first they sprung, 
■Wlien yet unpoised the world's great fabric hufo' 
Metals the basis of the earth were made. 
The bars on which its fixed fomulation’a hiid-" 
All second causes they disdain to own. 
And from th’ Almighty’s fiat sprung alone. 
an' 
Those excavations in which metals, mineral®’ ‘ 
5? • rC] V 
cious stones are dug, are called mines, and 
the substances they yield, various denominations. 
and most celebrated gold and silvermines aiethos^^^g jy, 
and Peru, in South America. Iron mines are ro^^^ ^|iy 
dant in Europe than elsewhere. Copper roioe®^ 
found ill England, Sweden, and Denmark ; ^ 'V 
tin mines in England : the latter, more partict^ , j,fJ^ 
county of Cornwall. Quicksilver mines al®?" [t’fj' 
pally in Hungary, Spain, Friuli, in the Venet'^‘^,j(li'‘ 
and Peru ; diamond mines, in the East IndieSj ‘ 
Brazils ; and salt mines in Poland. 
To explain the structure of mines, it should 
that the internal parts of the earth, as far as_ 
been investigated, do not consist of one unifot'’® 
but of various strata, or beds, of substance®’ 
different in their appearances, specific gr.ayitics> ^ 
mical qualities, from one another. 
strata similar to each other, either in their 
pearance, in different countries; insomuch 
the short extent of half a mile, the strata 
quite different from what they are in anodier 1 
