Mr. Mackintosh refers to the so-called “stratification” of the boulder-clay, as if that were a proof of accumulation in water.
But I have since seen in abundance shells of the boulder-clay.
Implements or even bones had been found in the drift and above the boulder-clay, but not below.
Might they not belong merely to the talus of this bank of boulder-clay?
Rough tors and crags are smoothed off, while boulder-clay nestles on the lee-side.
Miller was one of the pioneers in the study of the boulder-clay.
I have since got on a very little way with the Old Red portion of the task; but alas for the boulder-clay portion of it!
The latter it must be supposed was then removed, to be replaced by the boulder-clay.
The climatic reasons for the supposition that the boulder-clay is a marine deposit have already been given (p. 66).
I suppose your boulder-clay in the high grounds will give you no bother.