72 NOTES ON GEOLOGY AND BOTANY OF DIGBY NECK—BAILEY. 
colour, and the other volcanic, embracing a variety of doleritic, 
trachytic, and amygdaloidal rocks disposed in successive sheets 
as the evident result of repeated lava flows. It has been usual 
to regard both of these groups as being of New Red sandstone or 
Jura Trias age. But at present there is, in this region, abso- 
lutely no proof that such is their true position, while observa- 
tions made elsewhere, in rocks of similar character and associa- 
tions, at least make the reference somewhat doubtful. 
By far the best opportunity for the study of the sandstones 
is afforded by the shore section closely adjacent to the so-called 
“sea wall,” about six miles from Digby, in the settlement of 
Rossway. At this point is exposed a series of bluffs which, both 
by their height and colour, form a striking feature in the land- 
scape. The section is nearly half a mile in length, gradually 
rising with the dip of the strata from the water level at the 
northern end to quite one hundred :feet at the southern. This 
height above the sea level is not very different from that seen 
on the road from the town of Digby to Digby Light, and would 
indicate that the depression in which these sandstones were 
deposited, and which must at one time have connected the waters 
of Annapolis Basin and St. Mary’s Bay, must have had at least 
a corresponding depth below its present level. 
In character the sandstones are not unlike those seen at 
various points in the Annapolis valley, but they lack, as far as 
observed, the gypsiferous aspect which is so marked a feature 
in the sandstones which underlie the traps of Blomidon. The 
prevailing colour is a brick-red, of light and dark shades. At 
intervals it is interstratified with light green bands varying in 
width from half an inch to 5 or 6 inches. The green bands 
especially characterize the lower beds, and these are also dis- 
tinctly more arenaceous than the beds above. On one of 
the reefs laid bare by the tide was observed what appeared 
to be a tree-trunk several feet in length, together with some 
obscure branching markings, which resembled tracks, but 
both were obscure, and nothing else of this nature could be 
found. 
