201–226
No.201
146356
St-Bt-Grt gneiss
Hill of Three Stones, Fetteresso Forest
St zone
ppl 5 mm
xpl 5 mm
St → white Mca
No.202
146357
Grt-Hem-Tur schist
Burn of Course Bauld, Kincardineshire
Grt zone
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
No.203
146358
Gr-Ms schist
Allt Linne a Bhuirein, Gleann Fearnach, Perthshire
Pre-Chl zone
ppl 5 mm
xpl 5 mm
No.204
146360
Grt-Act-Bt schist
Crannoch (near), Allt Fearnach, Glen Fernait
Grt zone
ppl 5 mm
xpl 5 mm
No.205
146349
Sil-Ilm-Tur rock
Tilbouries, Kincardineshire
Sil zone
ppl 2 mm
Fibrolite
xpl 2 mm
ppl 5 mm
xpl 5 mm
xpl 2 mm
Needles inside Tur
xpl 2 mm
With sensitive tint
(The needles are length slow, with straight extinction)
No.206
146350
Sil-Mca gneiss
Findon (N), Kincardineshire
Sil zone
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
Fibrolite and white Mca
ppl 2 mm
xpl 2 mm
xpl 2 mm
With sensitive tint
Length slow (Sil)
No.207
144113
Schist or gneiss
Craig Lair, Perthshire
Grt zone
ppl 5 mm
xpl 5 mm
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
Hexagonal outline in Pl
xpl 2 mm
No.208
147500
Sil-Grt-Bt-Perthite gneiss
Balnacraig, Deeside
Sil zone
ppl 5 mm
Grt, Sil, & Bt
xpl 5 mm
White Mca alteration
ppl 2 mm
High-relief Sil mosaic & Grt fragments
xpl 2 mm
Prismatic Sil
ppl 5 mm
xpl 5 mm
No.209
147525
Grt-Crd-Bt-Qz hornfels
Sparcraigs, Belhelvie
Grt zone
ppl 1 mm
Pale yellow pleochroic haloes (Crd)
xpl 1 mm
Imperfect polysynthetic twins
ppl 5 mm
xpl 5 mm
Qz-rich
ppl 2 mm
xpl 2 mm
ppl 1 mm
Needles on Grt tip
xpl 1 mm
No.210
147497
Crd-Ms schist
Slains Castle, Aberdeen (coast N of)
Crd zone
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
xpl 2 mm
Sector trilling
xpl 5 mm
No.211
46933
Qz-Ms-Chl phyllite with Bt
Pass of Brander Rd, E of Allt Cruachan, Argyll
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
No.212
37176
Sericite schist
(In Erim [?] Quartzite) S side of Loch Gair, Loch Fyne
Pre-Chl zone
ppl 2 mm
xpl 2 mm
Tip of a Qz lens
ppl 5 mm
xpl 5 mm
xpl 5 mm
No.213
33998
Calc-Bt schist
Brenfield Bay, S of Ardrishaig
Bt zone
ppl 5 mm
xpl 5 mm
ppl 5 mm
ppl 5 mm
xpl 5 mm
ppl 5 mm
No.214
19926
Calc-Sericite-(Bt) schist
1 m SW of St Catherine's, Loch Fyne
Bt zone
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
No.215
29517
Strath Tummel road, 3 m above Garry Br.
Grt zone
ppl 5 mm
xpl 5 mm
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
ppl 2 mm
xpl 2 mm
Lamellar twinned grain with Qz inclusions
xpl 2 mm
No.216
10358
Ky-Grt-Mca schist
Glen Fernait district, Perthshire
Ky or Sil zone
ppl 5 mm
(Like a little meteorite; grains beyond the edge of the section)
xpl 5 mm
ppl 2 mm
xpl 2 mm
ppl 5 mm
xpl 5 mm
xpl 2 mm
ppl 2 mm
Yellow tint NE of centre
xpl 2 mm
xpl 2 mm
Sensitive tint (length slow)
ppl 1 mm
A grain of similar relief to the neighbouring Grt
xpl 1 mm
Length slow; somewhat mottled birefringence might indicate Ep
xpl 1 mm
Somewhat anomalous colours in extinction
ppl 2 mm
xpl 2 mm
xpl 2 mm
xpl 2 mm
Sensitive tint (length slow in centre)
ppl 2 mm
xpl 2 mm
(Video)
xpl 2 mm
ppl 2 mm
xpl 2 mm
(Video)
xpl 2 mm
No.217
35067
St-Ky-Grt-Mca schist
In River Tay, Grandtully
St zone (at least)
ppl 2 mm
Three zones within Tur
xpl 2 mm
ppl 1 mm
xpl 1 mm
xpl 1 mm
With sensitive tint
ppl 2 mm
xpl 2 mm
St inclusions within Grt
ppl 1 mm
Rt in the bottom right
xpl 1 mm
xpl 0.5 mm
Alteration at edges
ppl 2 mm
St in Grt
xpl 2 mm
ppl 0.5 mm
xpl 0.5 mm
xpl 0.5 mm
No.218
113610/1
Qz-Pl-Bt-Ms-Ky-St schist
Burn of Braco
Ky zone
ppl 5 mm
xpl 5 mm
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
xpl 2 mm
ppl 5 mm
xpl 5 mm
St twin
ppl 5 mm
xpl 5 mm
xpl 5 mm
With sensitive tint
xpl 5 mm
With sensitive tint
xpl 5 mm
No.219
11908
Calc-Chl-Ab schist
Burn W of Hotel, Dalmally
Chl zone
ppl 5 mm
xpl 5 mm
No.220
6121
Grt-iferous and graphitic Mca schist
Blair Atholl
Grt zone
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
No.221
22703
Grt-iferous Mca schist
Near head of Kirkton Burn, Balquhidder
Grt zone
ppl 5 mm
Grt → Chl
xpl 5 mm
No.222
63014
Grt-Bt-Ms schist
Coast N of Portlethen Bay, S of Aberdeen
Grt zone
ppl 5 mm
xpl 5 mm
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
No.223
105697
And-Sil-St-Grt-Mca schist
Mill of Kinnairdy
Sil zone
ppl 2 mm
Fibrolite
xpl 2 mm
(The white grain to the east is length fast with inclined extinction)
ppl 2 mm
xpl 2 mm
ppl 2 mm
xpl 2 mm
xpl 1 mm
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
xpl 2 mm
With sensitive tint
xpl 2 mm
ppl 2 mm
xpl 2 mm
No.224
27984
Ms-Bt-Augen gneiss
Railway WNW of Grantown
Grt zone
ppl 2 mm
xpl 2 mm
Symplectites within Pl within Kfs
ppl 5 mm
xpl 5 mm
Pinched-out twins
ppl 2 mm
xpl 2 mm
Perthitic texture in Kfs (?)
ppl 2 mm
xpl 2 mm
ppl 5 mm
Dotty centres
xpl 5 mm
ppl 2 mm
xpl 2 mm
xpl 2 mm
Straight extinction wrt the cleavage
No.225
15248
Grt-iferous Mca schist
Roadside ½ m E of Glen Spean Lodge
Grt zone
ppl 5 mm
xpl 5 mm
ppl 2 mm
xpl 2 mm
xpl 2 mm
xpl 2 mm
With sensitive tint
xpl 2 mm
(Video)
No.226
27986
Ms-Bt-Augen gneiss
NE of cemetery, 1 m NE of Keith
ppl 5 mm
xpl 5 mm
ppl 1 mm
High relief accessories
xpl 1 mm
The accessories have very high birefringence
ppl 1 mm
High relief grain in centre
xpl 1 mm
Low first-order grey birefringence
ppl 1 mm
xpl 1 mm
Very good cleavage in the centre