258 Mr. Lonsdale on the Oolitic District of Bath. 



Seventh Milestone from Bath towards Bradford. 



Group 2. Sand, with patches of clay and irregular concretions of grit .... 5i feet. 



Blue clay, containing numerous thin lamina; of grit 18 inches. 



Hard, blue, shelly limestone of irregular thickness 18 inches. 



3. Clay. 



Great CamberweU, about one mile north of Bradford. 



Group 3. Clay, with thin laminae of stone and grit 10 feet. 



4. Shelly, oolitic limestone 3 feet. 



Pale blue clay , 2^ feet. 



Shelly, oolitic limestone 3 feet. 



Wormwood Quarry^ about seven miles from Bath towards Devizes. 



Group 3. Clay, containing irregular patches of stone 6 feet. 



4. Shelly limestone, split into thin layers obliquely to the plane of 



stratification 10 feet. 



Great Oolite. Four strata of freestone, split into irregular masses 14 feet. 



Cross Keys, nine miles and a half from Bath towards Chippenham. 



Group 3. Irregular masses of laminated stone, partly shelly, partly gritty. 2 feet. 

 Clay 8i feet. 



4. Shelly, oolitic limestone split obliquely, the laminae often parted 



by a thin layer of shelly limestone 2| feet. 



Clay, sandy in the upper part 18 inches. 



Shelly limestone, thinly laminated 6 inches. 



Bradford Clatj. Clay abounding with Terebratulu digona a.nd T.coarctafa, and 



inclosing shelly concretions 18 inches. 



Great Oolite. Coarse, oolitic limestone 3^ feet. 



Clay 3 inches. 



Coarse, oolitic limestone 3| feet. 



Coarse, shelly, oolitic limestone 4 feet. 



Quarry near the Wells Turnpike, Frome. 



Group 4. Shelly limestone, in irregular beds 15 feet. 



5. Grit, with sand or sandy clay 12 feet. 



Quarry at the turning- to Hardington from the Frome Road. 



Group 5. Hard, calcareous grit, containing a few shells 8 feet. 



Sand, with large masses of grit 5 feet., 



Quarry between Buckland Denham and Lydes-Water. 



Group 5. Irregular beds of grit, separated by layers of sandy clay .... 20 feet. 



Brow of the Hill above Green Parlour near Radstock. 



Group 3. Thin slabs and lamina; of calcareous sandstone, imbedded in 

 sandy clay. 



