SANDSTONES OF ENGLAND AND WALES. 259 Feet. 5. Weald clay, with some local beds of stone 600 { '4. Tunbridge Wells sand, with ‘ Grinstead clay’ .... 150 to 200 3. Wadhurst clay, with ironstone 100 „ 160 2. Ashdown sand, with bands of clay and ironstone.. 160 „ 250 1. Ashburnham beds, clays and sandstones (over).. .. 330 The sandstone is quarried at Calverlej quarry near Tunbridge Wells. It is fine-grained, with a slightly calcareous cement, and of a variegated brown colour. The beds vary from i to 3I,- feet in thick ness, and can yield blocks from 80 to 500 cubic feet. It has been used in the new church, Roman Catholic chapel, and other buildings at Tunbridge Wells. 1 (g) Kentish Rag. The stone known by this name forms a portion of the Lower Greensand group, and may be best observed at Hythe and Folkestone, on the coast of Kent. 2 The stone is variable in character ; and may be described as a calcareous sandstone, of a brown or light yellow colour, and often shelly. It is quarried at Godstone, Maidstone, Boughton, and the vicinity of Folkestone, and is used to a considerable extent in the more recent £ gothic’ churches of London and the neighbourhood, as I am informed by Mr. W. Whitaker. The sandstones (or ‘ firestones ’) are how ever ill adapted to resist alternations of wet and dry 1 Beport of Commis. Table A. 2 See Memoir on sheet 4 of the Geological Survey, by Mr. F. Drew (1864). The name given to this formation by Dr. Mantell was ‘ Shanklin Sand,’ Geol. South-East of England (1833).