Metamorphic Thin Sections

56144/11

Tremolite-grade nodule

ppl 1 mm

xpl 1 mm

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

56150/1

Talc-grade nodule

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

Talc

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

56154/1

Talc-grade nodule

ppl 8 mm

xpl 8 mm

ppl 1 mm

xpl 1 mm

56154/2

Talc-grade nodule

ppl 1 mm

xpl 1 mm

ppl 8 mm

xpl 8 mm

R200

Periclase-grade nodule

Brucite marble

ppl 8 mm

xpl 8 mm

xpl 2 mm

MBH96-8

Olivine-grade

With residual diopside

ppl 2 mm

xpl 2 mm

ppl 8 mm

xpl 8 mm

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

ppl 2 mm

xpl 2 mm

SUPER54

ppl 8 mm

xpl 8 mm

79592

Eclogite

Junction School, Healdsburg Quad, California

ppl 2 mm

xpl 2 mm

ppl 2 mm

xpl 2 mm

ppl 1 mm

!!

xpl 1 mm

ppl 2 mm

xpl 2 mm

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

GMD16

Fo–Ath–Tlc rock

Paakila Mine

ppl 2 mm

xpl 2 mm

ppl 2 mm

xpl 2 mm

xpl 2 mm

xpl 2 mm

Sensitive tint (length slow)

101466

Di–Tr marble

W. Mnt. Holby [?], Green Mountains, Vermont

ppl 8 mm

xpl 8 mm

xpl 8 mm

98983

Sil–Tur granulite

Rosswein, Saxony

ppl 1 mm

Sil

xpl 1 mm

xpl 1 mm

42601

Charnockite

St. Thomas Mount, Madras

ppl 8 mm

xpl 8 mm

M1

Charnockite

ppl 2 mm

xpl 2 mm

Ep (green)

xpl 2 mm

BI-11

Pelitic gneiss

Namaqualand, South Africa

ppl 8 mm

xpl 8 mm

ppl 2 mm

!

xpl 2 mm

W10/10

Marble ultra-mylonite

Muglib-Pangong

ppl 1 mm

Deformed Cal

xpl 1 mm

CV-4

Mylonitic quartzite

Bayas Fault, northern Spain (from the damage zone of the fault)

ppl 1 mm

xpl 1 mm

ppl 0.3 mm

Faint parallel lines of dislocations (along slip planes) normal to the strike of the undulose extinction

xpl 0.3 mm