151–175
No.151
15458
Bt schist
W of Harbour, Railway Station, Banff
Bt zone
ppl 5 mm
xpl 5 mm
No.152
15462
St-Mca schist
W of Inverboyndie, Banff
St zone
ppl 5 mm
St in centre
xpl 5 mm
ppl 2 mm
xpl 2 mm
ppl 1 mm
xpl 1 mm
Twinned St
ppl 1 mm
ppl 1 mm
xpl 1 mm
No.153
15464
Grt-iferous Mca schist
W of Inverboyndie, Banff
Grt zone
ppl 5 mm
xpl 5 mm
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
No.154
2065
Mca schist (porphyroblast Bt)
West Water, near Glenesk
Bt zone
ppl 5 mm
xpl 5 mm
Needle-y matrix
ppl 2 mm
xpl 2 mm
ppl 2 mm
ppl 2 mm
xpl 2 mm
No.155
41399
Ky-St-Ms schist (with abundant Tur)
West Corrie, West Water, Forfarshire
St zone (at least)
ppl 2 mm
St at the bottom centre, maybe Ky in NE
xpl 2 mm
ppl 5 mm
Yellow St to the right
Chl to the NE
xpl 5 mm
First order orange and pink birefringence
xpl 5 mm
ppl 5 mm
xpl 5 mm
Mca pseudomorphs after aluminous phases
ppl 2 mm
xpl 2 mm
Inclined extinction
xpl 2 mm
1st order orange birefringence
No.156
41400
St-Mca schist (shimmer aggregate)
Adkinear Burn, West Water
St zone
ppl 2 mm
Bt → Chl retrogression
xpl 2 mm
[Very smooth-looking Qz]
ppl 5 mm
xpl 5 mm
No.157
36228
Chl schist
Between Middle and Upper Falls of Moness, Aberfeldy
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
No.158
38593
(Ms-Bt-)Chl-Ep-Ab schist
1 m NE of Stank, Loch Lubnaig
ppl 2 mm
xpl 2 mm
ppl 5 mm
xpl 5 mm
xpl 2 mm
xpl 2 mm
No.159
32891
Grt-iferous Mca schist (chloritised)
Shian Burn, near Loch Freuchie, WNW of Amulree
Grt zone
ppl 5 mm
xpl 5 mm
No.160
11941
Grt-iferous Mca schist
Near Duncroisk, Glen Lochay
Grt zone
ppl 5 mm
xpl 5 mm
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
No.161
88869
Ms-Bt granulite (Elide schist (Grt zone))
W of Kinlochleven
Bt zone
ppl 0.5 mm
Hexagonal accessory
xpl 0.5 mm
ppl 5 mm
xpl 5 mm
Qz-rich
ppl 2 mm
Aligned Bt
xpl 2 mm
No.162
88901
Qz-Mcc-Pl-Bt granulite (Moine)? (Schist (Ky-Sil zone))
N end of Loch Laggan
Bt zone
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
No.163
11897
Ab-Grt-Mca gneiss
Roadside, E end of Loch Dochart
Grt zone
ppl 2 mm
Grt surrounded by Bt & Chl
xpl 2 mm
ppl 5 mm
xpl 5 mm
ppl 0.5 mm
Hexagonal (elongate) accessory: Ap
xpl 0.5 mm
xpl 0.5 mm
Extremely low birefringence
No.164
CD.47
Grt 2-Mca schist
Ross of Mull
St zone
ppl 8 mm
xpl 8 mm
No.165
M00519
Schist
Moines, Ross of Mull
Ky zone
ppl 8 mm
Ky
xpl 8 mm
Simple twin
xpl 2 mm
No.166
25818
Grt-iferous Mca schist
W of Balnahanaid, Glen Lyon
Grt zone
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
Grt → Chl
ppl 5 mm
xpl 5 mm
slide
Quadrants in And
slide
ppl 5 mm
And (Gr being pushed to the edges; square cross-section)
xpl 5 mm
xpl 5 mm
Sensitive tint
No.167
19919
Chl-sericite schist
E of pier, Port Bannatyne, Rothesay
Chl zone
ppl 2 mm
xpl 2 mm
Ms → Chl partial pseudomorphs
No.168
27977
Crd-And-Ms-Mcc-Qz rock
Buck of Cabrach, NE of Gl. Buchat
Sil zone
ppl 5 mm
V perfect Ms cleavage
xpl 5 mm
ppl 2 mm
xpl 2 mm
Very low grey birefringence (central blocky grain)
ppl 1 mm
xpl 1 mm
ppl 2 mm
Yellow pleochroic halos (Crd)
xpl 2 mm
ppl 0.5 mm
Sillimanite
xpl 0.5 mm
ppl 2 mm
Fibrolite (centre)
xpl 2 mm
ppl 2 mm
xpl 2 mm
Pl (centre) & Kfs (tartan twinning)
ppl 1 mm
xpl 1 mm
Pinite alteration of Crd
ppl 5 mm
xpl 5 mm
xpl 5 mm
With sensitive tint
Length fast (probably And)
ppl 5 mm
xpl 5 mm
xpl 5 mm
Sensitive tint
ppl 2 mm
ppl 2 mm
Yellow pleochroic haloes in Crd
xpl 2 mm
No.169
11910
Calc-Ep-Bt schist
Eas a' Ghaill, 3 m E of Dalmally
Bt zone
ppl 2 mm
Bt (khaki) → Chl (blue-green)
Yellow alteration at bottom
xpl 2 mm
ppl 2 mm
CaCO₃
ppl 2 mm
Dramatic change in relief upon rotating the stage
xpl 2 mm
ppl 1 mm
Amp ? (~56° cleavage)
xpl 1 mm
ppl 1 mm
xpl 1 mm
ppl 0.5 mm
(~56° cleavage)
xpl 0.5 mm
No.170
92526
Unaltered Ms-Chl-Qz-Ab phyllite (? perhaps a little recrystallised Bt)
N 6.5' from contact with camptonite dyke. Sailean Sligenach, Ardmucknish, near Oban, Argyllshire
Chl zone
ppl 5 mm
xpl 5 mm
Foliated Qz
ppl 5 mm
xpl 5 mm
No.171
30210
Crd-(Crn-)Spl-Bt schist (with lit-par-lit injection from pegmatite)
Loch Avich road, Kilmelford
Crd zone
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
Ep (bright pink) & Czo (lower biref, e.g., pale yellow)
xpl 2 mm
No.172
15584
Bt (chloritised)-Ms hornfels (xenol. in diorite)
Allt Mhein, N of Ardeonaig, L. Tay
Bt zone
ppl 5 mm
xpl 5 mm
Suspiciously localised Ms
ppl 5 mm
xpl 5 mm
No.173
46403
Qz-Bt hornfels
W of Allt Carnach, Glen Shee
Bt zone
ppl 2 mm
xpl 2 mm
Bt & Chl (?)
ppl 5 mm
xpl 5 mm
No.174
37748
Sil-Pleonaste-Crd hornfels (xenolith in Duchray Hill Gneiss)
N of Loch Shechernich, Glen Shee
Sil zone
ppl 2 mm
xpl 2 mm
Prismatic Sil
ppl 5 mm
xpl 5 mm
No.175
26838
Grt-Bt granulite (metamorphosed and with much white Mca)
Near contact with Qz-diorite, Netherley
Grt zone