36 E. B. Andrews on Petroleum in its Geological Relations. 
such lateral pressure as would cause an uplift and dislocation. 
In this way alone could the sinking strata make room 
selves. For the most part along the line there was a pretty 
sharp anticlinal formed, but in the center of the line there were 
two fractures which may, I think, be satisfactorily explained. 
A popular illustration of the dislocation would be the case of 
ice fractured and heaped up by the lateral pressure of currents. 
It would be easy to find two cakes uplifted and forced upon 4 
central one as represented in fig. 3; the central cake at the same 
2 
time being forced upward and cracked by the force which wedges 
itin. If the top of the projecting mass were planed off down 
day of heavy oil from a fissure 164 feet deep. The Longmoor 
wells find oil in large quantities at the depth of 265 feet. The 
came to my knowledge many years ago) was produced by the 
same force that dislocated the rocks under consideration, and at 
aie 
