150 PK3F. T. T. GROOM ON THE GEOLOGICAL [Feb. I9OO, 



formation, north, of the Worcestershire Beacon the lower purple 

 and conglomeratic part appears in force in this position, as was 

 long ago noted by Phillips. 1 This is shown in the Map (PI. VIII), 

 where it may be seen how the various beds must successively abut 

 against the somewhat sinuous western margin of the Archaean 

 massif. Such relations have been regarded by Holl as due to over- 

 lap of the Silurian Series, but there is little to be said in favour of 

 this view. The junction is exposed only at one point, namely, at 

 the bottom of the i Dingle,' a transverse depression between the 

 Worcestershire Beacon and the Sugar Loaf, the south-western 

 elevation of North Hill. Here the plane of junction, like the May 

 Hill Beds themselves, is nearly vertical, as stated by Phillips. 2 The 

 latter are, however, much crushed; and in describing the area of 

 Cowleigh Park (p. 157) evidence will be offered tending strongly to 

 confirm the view that the western boundary of Worth Hill is a 

 fault. The schistose layers of the Archsean in the Dingle dip east- 

 north-eastward at 70° : the strike of the folia accordingly agrees 

 with that of the sandstone. 



Although the eastern limit of the May Hill formation is in general 

 easily traceable, the beds themselves are not often exposed. At 

 Wychcrest, north of Upper Wych, there is a good exposure, now 

 railed in by Mr. Canning to preserve the section; the grey and 

 purplish sandstones here are inverted. The same may be said of 

 similar beds seen in front of a new house a little farther north, and 

 I am informed by Mr. Bennett, of Malvern, that still farther in 

 this direction recent excavations made during the laying down of 

 drain-pipes revealed the sandstones dipping eastward at a high 

 angle. Other excavations made in a yard immediately south of the 

 school, near the Yicarage at West Malvern, showed grey sandstones 

 and sandy shales dipping westward at an average angle of about 

 30° : but I was inclined to suspect from the appearance of the 

 section here that the beds had been turned over through an angle 

 of 120°, and were thus more than completely inverted, like those of 

 Barrel Hill Farm, in the Abberley district (p. 167). In a garden 

 close to the quarry north of St. Edward's Orphanage, purple and 

 grey micaceous sandstones are seen vertical ; the same may be said 

 of purple sandstones in the garden of a house on the main road, a 

 short distance south-west of the point last mentioned. A well 

 65 feet deep has been sunk in these beds. Similar sandstones, with 

 purple grits and conglomerates, have been brought up from a well 

 (M 455) made during the present year at a point to the north-east. 

 These beds yielded to Mr. H. D. Acland and myself abundant 

 specimens of a fine Lingula, of an apparently new species. 



At Rock Cottage purple sandstones and pink grits are seen in an 

 inverted position. Farther north, however, in a field near the 

 Lamb Inn, pink May Hill Grits have a normal dip of 40° to the 

 west by south. At a point north of Birches Farm the upper grey- 

 sandstones also dip west-south-westward. The above-mentioned 



1 Mem. Geol. Surv. vol. ii (1848) pt. i, p. 60. 2 Ibid. p. 67. 



