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

xpl 0.5 mm

Fin