1847.| DAWSON ON THE NEW RED SANDSTONE OF NOVA SCOTIA. 93 
stance, and then contain a thick bed of trap conglomerate, consisting 
of large partially rounded fragments of amygdaloidal and compact 
trap, united by a hard brownish argillaceous cement. At a short 
distance westward, another bed of trap conglomerate of the same kind 
appears in the cliff. It is overlaid by a bed of dark clay, filled with 
angular fragments of black shale constituting a kind of breccia. The 
sandstone underlying this bed of trap contaims small nodules of se- 
lenite and narrow veins of reddish fibrous gypsum. No other vol- 
canic rocks occur in the coast section near these trap conglomerates. 
Westward of this place, the section is occupied for about three miles 
by soft red sandstones with greenish bands, dipping generally to 
the south-west: some of them are divisible into very thin layers, 
whilst others are compact and form beds several feet in thickness. 
Near Moose River the red sandstones meet black shales and hard 
grey sandstones of the carboniferous system, contaming F/abellaria, 
Ferns and Lepidodendra. At this place the junction of the two 
groups of rocks was not, at the time of my visit, well-exposed in the 
cliff, and had the appearance of a fault ; but as seen in the horizontal 
section on the beach, the red sandstone with a south-west dip seems 
to overlie unconformably the carboniferous strata, dipping at a high 
angle to the E.N.E. On the west side of Moose River the carboni- 
ferous strata include three large masses of trap which have altered the 
grits and shales in contact with them, causing them to assume reddish 
colours. Beyond the last of these masses of trap, the shales and 
grits, there dipping to the north and north-east, have some red sand- 
stone resting on their edges, and are succeeded by another great mass 
of trap forming a lofty cliff, and in part at least resting on soft red 
sandstone which it must have overflowed when in a fluid state. At 
the western side of this mass, or rather bed of trap, its upper surface 
is seen to dip to the W.S.W., and is conformably overlaid by red 
sandstones similar to those already described. These continue with 
various dips to a cove where there is a break in the section, westward 
of which the coast exhibits the interesting and complicated appear- 
ances which I have endeavoured to represent in section 2. Pl. V. 
The lower part of the cliff, on the western side of the cove above- 
mentioned, consists of hard, black and reddish shales and grits, like 
some of those seen near Moose River, with a steep dip to the E.N.E. 
Resting on the edges of these are a few beds of red conglomerate and 
sandstone with greenish bands, dipping to the south-west and appa- 
rently a remnant of more extensive beds. An enormous mass of trap 
conglomerate forms a high cliff towering above this little patch of 
sandstone, and is seen alittle further on to contain a wedge-shaped bed 
of red sandstone, and at its western extremity rests on red sandstone 
mixed with fragments of trap. Here the trap conglomerate seems to be 
cut off by a fault, and abuts agamst a great trappean mass, composed 
in ascending order of amygdaloidal trap, a wedge of red sandstone ex- 
tending over part of the surface of the amygdaloid, a great bed of 
crystalline trap, and a bed of trap conglomerate. The western side of 
this mass rests on an apparently denuded surface of soft red sand- 
stones, with $.S.W. dip. These are overlaid by another trappean 
