222 Occurrence of Boulder Clay at H udder s field. 



ochreous gravel ten inches thick. This grey gravel did not 

 appear in sections on the left bank of the Colne. The colours 

 of the gravel vary from rich ochreous yellow to dark slaty grey, 

 probably indicating varying degrees of oxidation, as the 

 materials are very similar in type. On the left bank of the 

 Colne, near the foot-bridge, one section twelve feet in thickness 

 did not reach the bottom of the gravels. The section showed 

 the following layers : — 



Most of the excavations here were confined to the surface 

 layer four to five feet in thickness, varying from sandy loam 

 to coarse sand and fine gravel, often current bedded. In the 

 latter, at two feet from the surface, was found the left scapula 

 of an ox, the species of which has not yet been determined. 

 In the alluvium in the neighbourhood of Huddersfield, ox 

 bones have frequently been found and they are usually referred 

 to Bos primigenius, but I know of no instance where the species 

 has been determined with certainty. 



The gravels appear to increase in thickness further to the 

 north, e.g., at the New Peace Pit, five hundred yards to the 

 north-west from the confluence of the streams, the depth is 

 seventeen feet six inches. On the left bank of the Canal 

 near Colne Bridge, an excavation, 18 feet deep, showed the 

 following deposits : — 



ft. ins. 



Surface Soil ... ... ... ... i o 



Sandy Clay with fragmented Shale, 



and a few Sandstone boulders ... 3 o 



Dirty loam with numerous boulders 12 o 



The latter bed was aptly described by the navvies as 

 ' muck and stones.' Some of the boulders here were of large 

 size, being one to two tons in weight. The bottom of the 

 deposit was not reached. . 



With the exception of one or two doubtful finds, all the 

 deposits exposed in these sections are composed of local rocks 

 viz. : — Lower Coal-Measure and Millstone Grit Sandstones 

 and Shales. Water-worn boulders of Canister, containing 

 Stigmarian rootlets, are abundant. 



Excavations made at higher levels, however, revealed 

 deposits of a different kind. The most interesting were on 

 the eastern slope of the spur separating the Colne from Lees 



Naturalist, 



