Vol. 58. ] CARBONIFEROUS, ELC. OF THE ISLE OF MAN. 657 
the last by the anticline of Keuper and Bunter sandstones of the 
district between Chester, Runcorn, Warrington, and Liverpool. 
How far the Manx salt- 
field extends southward 
S es ely ea eri ran] “ . 
< eee ae = E under the Drift-covered 
a Ss al ieee ke Point of Ayre remains 
~ dehy] f° ; | i} ~ 
S SELENE 2 to be proved. 
2 ae Oe md HANA os faa) : 
= eaHEcH emai 2 a If the sections of the 
8 SEAR AMTH | 5 E two boreholes (5 & 6) 
= Sof TL mild > = : = 
= Sateret (He ae at the Point of Ayre 
°'~ ah aa fh cS o C 
ee Sar HHHLEM HI & be compared, it will be 
= PAL LCE Reh ! « © observed that the Triassic 
f MIA RUMP © “ marls, in that which is 
& SMMNnen (HUAN Ee x Se ‘ 
s amma ne | z £ farthest to the north, 
a of | A oP ‘= |, Were struck at a depth 
= SAmNaSy Luang! % ee , 
= SR a AMAT He oF 2 2 of 298 feet from the 
=~ > Po | LB 1 fp) Cv) ° ° 
S 2 eI ee a = surface, while in the 
= 3 SHU Ae s other they were struck 
S oR ies 2 = & at 364 feet. The layers 
erty ss at pis | s of rock-salt too in the 
Si g SSC AAR PEE : 2 i first of these do not 
S is eae e . ° eo, 
ie = ae vi agree in their position 
r _— as I wo A 
S Ea iit i S with those of the second. 
S PSH TALE ; # It must also be noted 
Oo}; Y ww f<B) 
— Sol. Y c = ° . 
> SI. & 6s that the Upper Triassic 
SS of: 2 Z marls in the southern 
ae ol-|- ° a 
= cat % :5 borehole, No. 6, are dis- 
SS 2Or |: TC mf 
S et < «4 turbed, and present the 
= Oa “| “ § same physical characters 
-S , aa. eas those of the red marls 
ae pee = = onthe edge of the sali- 
Ss = 2 fst = ¢  ferous basin of Cheshi 
OS 2 int g terous basin of Cheshire, 
S/he SR = and of those ranging 
as See 20 rome) Bunton \aniqethe 
Qos: ei feet = © direction of . Tutbury 
= Z | = £ and Rolleston. In these 
= 5 7 districts the rock has 
ae Z been disturbed, and the 
Ss i surface let down irre- 
= WY) Ss 
La ° 
3 gularly, by the solution 
= of the rock-salt, giving 
= vise to some of the 
= = ’ : 
wm ie Cheshire meres, and 
ino if a) : 3 
ae if = causing the surface - 
= Hh h 3 drainage to find its way 
2 3 Siti 5 deep into the marls 
ih ! THAT z in the latter district 
cA HEL : 
In my opinion, the 
beds of rock-salt in the northern borehole, No. 5, have been dis- 
solved away from the disturbed-marl area in No, 6, as they rose 
Q.3.G.8. No. 232. 2% 
