10 
of North ; and the South level from the pit is 50° North of 
West ; but from the termination of the Northern rise, at 
Stubbing, the lower red rock dips rapidly North, by the old 
whin-cover, towards West Melton. So that Stubbing forms 
the centre of another anticlinal, similar to that of Keppel's 
Column, Shirecliffe Hall, Wharncliffe Lodge, Crookes Moor, 
and Owen's Moor ; the effects of which are to reduce all the 
various beds elevated by the Northern axis* of the synclinal 
of the Don, to their original level. 
But this depression, or great synclinal trough, over Brins- 
worth, Tinsley Park, up to Bent's or Bench Green, produces a 
false appearance of a lateral movement ; and first, from Der- 
byshire, in the Thick coal. On the North Midland Railway, 
about half a mile South-East of Beighton, the Thick coal is 
basseted out on the surface ; but its western basset is pro- 
longed as far as Handsworth, by Darnall, to Attercliffe, where 
it is 44) yards deep ; and if the inclination of the strata over 
this tract had been less than 1 in 7, its basset would have 
extended West of Sheffield ; and that this coal has not 
been kept below the surface by the rise of ground from 
Beighton, is plain, for there is no difference of level 
between Beighton and Attercliffe, as proved by the two 
raihva3^s ; while the coal is on the surface, at the place be- 
fore mentioned, near Beighton, while it is 44 yards deep 
three miles to the West, at Attercliffe. This prolongation o^ 
the coal to the West affords an appearance as if the coal had 
been drawn laterally backwards three miles from Attercliffe, 
down to the East of Beighton. 2ndly, half a mile West of 
Mosbro', in Derbyshire, is the outcrop of the Sheffield coal ; 
* The highest elevation of the beds, by this axis, as at Keppel's Column, 
Crookes Moor, Shirecliffe Hall, &c,, is from 200 to 280 yards above the same 
beds, as elevated by the Southern axis of the synclinal, as at Orgrave, Dore 
Moor, &c. It would be of great use to the Society to ascertain how far these 
disturbances extend to the West. They seem to terminate to the East, near 
Hotherham, and are connected with some great faults which run North and South, 
