ON THE CIRCULATION OF UNDERGROUND WATERS. 



395 



The Secretary of your Committee has to thank Messrs. Mather and 

 Piatt for permission to examine the cores brought up in the deep boring 

 they are now executing for the Liverpool Corporation, near Bootle, the 

 whole of which is carried out in Red sandstone of Pebble-Bed age down 



to a depth of 1042 ft., where the Lower Mottled Sandstone makes its 

 appearance. The following gives a description of any special character of 

 bed passed through, intermediate spaces being occupied by ordinary 

 grained and coloured sandstone : — 



Ft. in. 



29 Very fine-grained sandstone. 



31 6 Lighter fawn coloured, partially porous. 



69 Marl pockets, in red sandstone. 



79 Very fine-grained red sandstone. 



97 Dark slialey sandstone, patches of mica. 



113 Hackly sandstone, small marl pockets. 



144 Very fine-grained micaceous sandstone, 6 in. thick. 



224 Very hard fine-grained sandstone, small pockets of marl, 16 ft. 11 in. 



237 Hackly sandstone. 



268 Grey marly parting, resembling those in the water stone. 



279 Pocket of red marl. 



283 Red marl, 2 in. ; marl pebble, 2 in. long. 



290 Very fine-grained red sandstone, evenly bedded, 12 ft. 



303 Very compact grey sandstone. 



303 6 Fine-grained sandstone. 



319 Compact white sandstone. 



327 9 Compact grey sandstone. 



330 Hackly, red marl pockets. 



335 Hard compact grey micaceous sandstone ; dip 4 in. 



339 Dull red finely-grained red sandstone. 



351 Grey rag, black mica, green marl, 6 in. 



361-4 Very fine-grained red sandstone, bedding horizontal. 



366 Shaley and sandy marl, 6 in. 



371 Very fine-grained dull red sandstone, white mica. 



415 Hard compact grey sandstone, 2 in. 



415-2 Compact red sandstone, white quartz pebbles. 



437-6 Grey sandy marl. 



453 Many pebbles of quartz and grit. 



455 White micaceous rag, 2 in. 



468 Hard, coarse, hackly-grained sandstone with pebbles. 



470 Grey sandy parting, 3 in. 



470 3 Compact fine-grained sandstone. 



497 Hackly red sandstone, 27 ft. thick. 



500 Hackly red sandstone, dark sandstone pebbles. 



512 Red sandstone, dark grit pebbles. 



514 Compact grey micaceous rag. 



514-35 Hard fine-grained sandstone, no pebbles. 



535-73 Hard, rather fine-grained, with pebbles. 



573 6 Compact grey, fine-grained rag, 12 in. 



587 Very fine-grained sandstone, no pebbles. 



590 Hard sandstone, many pebbles. 



594 Compact band, 2 in. 



599 Compact band, 2 in. 



611 Hard strings. 



621 Grey micaceous parting, 3 in. 



624 6 ft. 9 in. of pebbly sandstone. 



634 Very compact marly sandstone, 2 ft. 



694 Compact grey sandstone, 4 in. 



740 Grey, very compact rag, 4 in. 



