140 
Frank Carney 
these slightly worn fragments are quartzitic pebbles (figs. 5, 6) 
that have long been subject to stream action. The coarsest phase ! 
of this conglomerate appears to occupy troughs in the Logan; j 
this inference is based entirely on the vertical range of its outcrops, j 
as no contacts showing the walls of Logan stream channels were i 
found. 
Fig. 6. A Sharon conglomerate block which has worked down the slope over 
the Logan; the bedding planes are now upright. This and Fig. 5 were taken 
southwest of Hickman. 
i 
(i) In two localities, one about one-half mile southwest of 
Hickman, and the other on the first sharp grade found in driving 
from Wilkins’ Corners eastward over the hill to Mary Ann Furnace 
I noted in the Sharon angular fossiliferous cherty blocks. The 
fauna collected from these has been turned over to Mr. W. C. 
Morse, who is working on the Maxville. The fossiliferous content 
of the Sharon conglomerate was observed years ago by Read but 
I have been unable to learn that he succeeded in tracing the frag- 
1 
