ON ARTESIAN AND FISSURE WELLS IN NEW BRUNSWICK. 151 



sandstones, presumably of Division 2, were struck. As the dip of the 

 rocks would indicate a great depth of slates at this point, it is to be 

 presumed that these slates have been overthrust on the sandstones by 

 pressure from the southwest in past ages. Depending on this factor as 

 the displacing force here, the water supply of this well would come 

 from the rain-fall on the exposed ridges of Division 2 flags in the city 

 of St. John. 



While Mr. S. Jones obtained an ample supply of pure water by bor- 

 ing in the black slates, the Alms House Commissioners had a different 

 experience on boring in similar black slates on the east side of Court- 

 ney Bay, parish of Simonds. There though they bored a well twice 

 as deep as Jones' well, they struck no water vein of any consequence. 

 At the suggestion of a member of this Society they bored another well 

 470 feet further to the north, near the margin of a ridge of Division 2 

 flags and sandstones, and from this well they obtained a supply of 

 water quite sufficient for their needs. The dip of the Division 2 flags 

 would bring them to the lower levels in this well. 



Another well where a fairly good flow of water was obtained, was 

 at the Portland Rolling Mill, Strait Shore, near the Falls. This 

 well is also driven in Cambrian flagstones and slates, though its lower 

 part may penetrate an outlier of Laurentian limestone which appears 

 in the hill near by. The strata along this shore are effected by pro- 

 found faults, and greatly displaced ; these displacements would give 

 additional facilities for the storage and transmission of water. 



Some wells bored in the vicinity of St. John have not given such 

 good results. That driven some years ago at Pleasant Point opposite 

 Indiantown was wholly in granite and the yield of water was small. 

 This may be accounted for by the fact that the granite hill at Pleasant 

 Point is enclosed by more yielding strata (limestones and slates) and 

 joints or fissures due to pressure and disturbance, would be found in 

 the more yielding strata, while the hard granite would be comparatively 

 free from them. 



Another well which was carried down to quite a considerable depth, 

 was that at the Convent School on Mount Pleasant Avenue. A well 

 was sunk at this place some years ago by the late Mr. Robert Reid, 

 and as the supply which he obtained was too small for the use of a 

 large school, a deep boring was undertaken. The boring was carried 

 down 300 feet below tide level and a moderate supply of water was 

 obtained at a depth of 245 feet, or about the sea level. 



