Chl and Ms in centre

xpl 1 mm

ppl 8 mm

xpl 8 mm

Pl in centre

ppl 1 mm

Pl in centre

Blue mineral centred

Blue mineral in extinction

xpl 1 mm

ppl 8 mm

(!!!)

Tight folding

xpl 8 mm

xpl 2 mm

Ms inclusions in Qz

ppl 1 mm

xpl 1 mm

ppl 2 mm

xpl 2 mm

Potentially chloritised Bt

xpl 1 mm

Cal (right of centre)

xpl 2 mm

Wavy oxide

ppl 2 mm

xpl 2 mm

A row of garnets

xpl 8 mm

xpl 8 mm

(A two-urmaline)

xpl 2 mm

ppl 2 mm

Bt in centre

xpl 2 mm

Grt surrounded by Chl

Characteristic anomalous purple / blue birefringence (Chl)

Tur

xpl 1 mm

xpl 1 mm

ppl 1 mm

Ab twin

ppl 2 mm

Tur (with grey cores)

xpl 2 mm

ppl 8 mm

xpl 8 mm

Ep within retrogressive Chl (emanating from Grt)

xpl 1 mm

Ab in centre

xpl 1 mm

ppl 2 mm

Grt pressure shadow. Lots of Chl

ppl 2 mm

Yellow streakiness... seemingly associated with the holes in the section

ppl 2 mm

xpl 2 mm

Inclusions in Grt

xpl 1 mm

ppl 8 mm

xpl 8 mm

ppl 8 mm

xpl 8 mm

ppl 1 mm

xpl 1 mm

ppl 8 mm

xpl 8 mm

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

xpl 2 mm

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

xpl 2 mm

ppl 2 mm

xpl 2 mm

ppl 1 mm

Possible lamellar twinning in the centre grain

xpl 1 mm

ppl 2 mm

Lamellar twinning

Simple twin visible due to the difference in pleochroism

xpl 2 mm

xpl 2 mm

ppl 8 mm

xpl 8 mm

ppl 2 mm

Sericitisation & retrograde Chl

Hydrous alteration

Grt smash-up

ppl 8 mm

Straight inclusion trails in the western Grt

ppl 2 mm

Ab sericitisation (N)

Mca → Chl (centre)

ppl 8 mm

xpl 8 mm

ppl 8 mm

xpl 8 mm

An apparent difference in colour in the N and S

Confusing mica pattern in the SW

Crd?

xpl 2 mm

Crd?

xpl 8 mm

Possible sector trilling (six sectors)

ppl 1 mm

Pl (?) with an inclusion N of centre; a grain with potentially four quadrants to the right of it

 ppl 1 mm

Pl with concave boundaries

xpl 0.3 mm

Moderate-high relief phase in centre

xpl 1 mm

Yellow pleochroic halo just right of centre (⇒ Crd)

No more pleochroic halo

xpl 1 mm

ppl 1 mm

xpl 1 mm

ppl 1 mm

Symplectites

ppl 1 mm

xpl 1 mm

St

Unusual extinction

xpl 2 mm

Bt → Chl

xpl 2 mm

Tur

xpl 2 mm

xpl 2 mm

Tur

xpl 2 mm

Tur length cutting through Bt

ppl 2 mm

xpl 2 mm

St and Grt

xpl 5 mm

ppl 2 mm

xpl 2 mm

ppl 1 mm

Symplectite

xpl 1 mm

ppl 2 mm

Polysynthetic twins pinching out in one direction (= Crd)

ppl 5 mm

Sector trilling in Crd

xpl 5 mm

Dark green oxides?

xpl 1 mm

ppl 0.3 mm

xpl 0.3 mm

ppl 2 mm

Pseudomorph ?

ppl 8 mm

Ky → shimmer aggregate ?

Centre grain: straight extinction (speckled)

Ky with a reaction rim

xpl 2 mm

ppl 1 mm

xpl 1 mm

xpl 1 mm

ppl 2 mm

xpl 2 mm

ppl 1 mm

ppl 1 mm

xpl 1 mm

St

xpl 2 mm

(Section flipped to be "upside-down")

xpl 8 mm

("Ah")

ppl 8 mm

xpl 8 mm

ppl 2 mm

Epitaxial growth: Sil on Bt

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

xpl 2 mm

ppl 2 mm

Sericitisation

ppl 8 mm

xpl 8 mm

Pleochroic centre grain: green

Pink

Maximum birefringence