V SALT MINES OP CHESHIRE. 30? 
if been ascertained that the 
S (l\s(j.j ’’boas do not exist throngliout the whole of the 
'' f'ttwton, near the source of the river 
distinct becl.s have been found, .separated 
'odurated clay : one at the deptli of 12(5 feet, 
u;itl tiji”’ fitickue.s,s ; a .second, thirty feet lower, twelve 
^y^l^be.ss ; and a third, forty-five feet farther down, 
if* ^tttik into seventy-two feet, without passing 
’*.®'fbstance. The inter veiling clay, the structure 
vUtt ''cry peculiar, is called die shaggy metal, 
"'ater which passes tlirough its pores lias the 
t. "at ....’’I’pclhuion of lioAKisG Meg. This epithet 
when it is mentioned that in a 
section of strata was taken, and where 
V 'lie ^ ba®fal was found at the depth of about eighty 
in Qj^bantlty of water ascertained to issue fi-om its 
V' V" ®b'cug, 
t.Sh.-,„."blch the secllnn 
e.i 
of 
tot 
‘Ons • 
®iaute, was not less than three hundred and 
j a circumstance greatly enhancing the dit- 
passing a shaft down to the body of rock- 
■'C'*’ fliese beds of argillaceous stone, a portion 
Tt’ ’td p strong to affect the taste, is found to 
Vi'^Poriin saltness increases, as might be expected, 
*1| ‘fa the body of rock-salt is approached : in 
“hine immediately .above tlie rock, which in 
Ve 0. j! perfectly uniform in their appearance and 
Nm ^ 'lot '• P^ff'cularly remarkable, notwithstanding 
^cVitij j bi these strata, any veins of rock-salt con- 
Vtvggj I Sroat mass below. On the contrary, the 
^ihicss ^ clay and rock-salt is drawn with great 
kistance, witliout presenting any of 
'^1' Of Jbes which would aiise from a mutual pene- 
areV'’*^' Not any marine exuviae, or organic 
V 'Ho,!; ."tind in the strata above tlie rock-salt ; and 
\r,®0ils of occurrence of gypsum, in coanexion 
% .^t:,,. tossil salt, is a fact still more deserving of 
'■.i.X;. ' beci 
tippear.s, not only in these mines, 
r'O’ On , !■ ‘"kies of Hun-rarv, Poland, and Tran- 
ct 
jiJJ! "iiich 
account Werner, in his geognosuc 
■^bs to the rock-salt and flcetz gypsum a con* 
'^fil ,., 1 , 
extracted from the Northwich mines is of 
It c buti, 
‘OSiV 
