CARTER : GLACIATIOX OF DOX AND DEARXE VALLEYS. 415 
(2) Pale grey clay, obviously (1) ground up. No stones or 
pebbles. It is simply weathered or ground up shale ; there is 
no hard line between it and (1). In some places the bed 
above (4) seemed as if it sent tongues down beneath this bed. 
In some places it looked as if this bed had been crushed up into 
heaps, leaving spaces where it was absent between the heaps. 
(3) Rough dirty sandstone gravel. 
(4) Stiff clay, many angular blocks of CM. sandstone and 
gal hard ; one of trap. The blocks are very angular ; some 
looked ice-worn. It looks ice-formed, and the way in which 
it is thrust in tongues into (2) suggests the action of ice. 
(5) Rough dirty sandstone gravel. 
(6) Sandy clay ; wood and patches of carbonaceous clay 
with leaves and nuts towards the bottom. 
The following is an extract from Mr. Walter Hemingway's 
(Barnsley) letter of April 6th, 1885, to Professor Green about 
the above section : — 
" Referring to the excavation at Old ^lill Gasworks, I looked 
over the material at the ' tip ' after Thursday morning's rain, 
and found the gravel (3) which had come from between the 
stony clay and the fine blue clay at bottom of section to contain 
a fair quantity of foreign rocks, chiefly dark greenish fine-grained 
trap." 
{4) Burton Grange, Ardsley, and Adwick-on-Dearne. 
A patch of boulder-clay was found near Burton Grange 
containing Carboniferous Limestone, granites, rhyolites, and 
basalts. At Ardsley Hill a similar clay is recorded by Mr. 
Hemingway* as containing Borrowdale andesites, St. John's 
Vale microgranite, rhyolites, Carboniferous and Permian lime- 
stones, gannister, &c. 
At Ad wick there is a patch of boulder-clay at 150 feet, 
containing Carboniferous sandstone, quartzite, felstone, and 
encrinital chert ; in close proximity to which was a boulder of 
Shap granite (Plate LV.).t 
* In a letter to the author. 
tNow at the Sheffield PuVjlic Museum. Unfortunately before its 
removal to Sheffield several large pieces were broken off by a marauding 
Philistine to ornament a rockery. 
E 
