Fragmental volcaniclastic debris deposits - volcanic breccias containing blocks of amygdaloidal basalt, tuffs, ignimbrites and ash within matrix (VBr)
Normal faults (ticks on downthrown side)
Minor intermediate to basic intrusions (dykes, sills and sheets) Dacitic-andesitic/microdioritic, basaltic-doleritic (D)
Plutonic intrusions - alkali feldspar granites/porphyritic/microgranites (Gr)
Gabbroic plug-like intrusions (Ga)
Silica-rich lavas (rhyolitic in composition) (R)
Sedimentary sandstone beds - arenaceous with gravel within matrix, heavily faulted (Sst)
Grey dolostones (chert bearing) - dolomitic marbles, hydrothermally altered marbles, metacarbonates (Do)
Fossiliferous mudstone and shale deposits containing few layers of silt and sand between laminations (M)
Bedded limestone containing thin silty layers and subordinate mud (argillaceous clay deposits) (Lm)
Sandstone with thick interbedded mudstone layers (S-M)
Conglomerate and breccia gradations with a carbonate dominated groudmass hosting dolomite and quartzite clasts (Br)
Reverse-thrust fault (teeth on hanging wall)
Reverse oblique-slip fault (teeth on hanging wall)
Geological summary map
of Strath (area 2)
1008829 Independent summer mapping 2014
Strike-slip fault
Inferred boundaries
Legend
235m220m
220m
200m
210m
106m
200m200m
Carn Dearg 190m
180m
180m
180m
194m
220m180m
Beinn an Dubhaich
Coille Gaireallach
Beinn Dearg Bheag
Meall Coire Forsaich
Creagan Fitheach
Coire Forsaidh
Cnoc nam Fitheach
22
21
25
22
21
28
20
2120
19 20
9
200m
200m
200m
200m
200m 200m
200m
50m50m
50m
150m
150m
150m
150m
150m
150m
150m
150m
150m
200m
200m
210m210m
Scale 1:10000
0 500mMetres
550m
500m
450m
350m
400m
400m
300m
300m
250m
250m
200m
200m
150m
150m
100m100m
100m
50m
50m
50m
50m
Allt Srath Suardal
Kilbride
100m
100m
100m
100m
250m
250m
200m
200m
200m
210m270m
278m
225m
Glen Boreraig
170m
170m
160m
150m
200m
150m
100m
100m
100m
50m
50m
50m
170m
180m
59
59
60 61
60 61
16 16
17 17
18 18
19 19
2020
21 21
22 22
N
100
5cm=500m
0 500Metres
North
100
200
300
0 0
300
200
100
SouthCross section A-B
Metres (above sea-level)Lm
Do
SstGr
Br
sea level
D
North
100
200
0
300 300
200
100
0
South
0 500Metres
5cm=500m
Cross-section E-F
D
R
M
S-M
Ga
M
S-Msea level
Metres (above sea-level)
300
200
100
0
SouthNorth
100
200
300
0sea level
0 500Metres
5cm=500m
Cross section G-H
LmDoGr
Lin
e o
f sectio
n G
-H
Lin
e o
f sectio
n A
-B
Lin
e o
f sectio
n C
-D
Lin
e o
f sectio
n E
-F
GrGr
Gr
Sst
Sst
Br
BrBr
Lm
Lm
Do
Do
Do
Do
Do
S-M
S-M
S-M
M
M
M
M
M
R
R
R
D
D
D
0 500Metres
5cm=500m
North
100
200
300
0
300
100
0
South
200
Cross section C-D
S-M
M
Lm
R
SstBr
sea level
Metres (above sea-level)
D
Ga
Ga
Ga
Ga
Ga
Ga
Vbr
Vbr
Vbr
Br
