BGS mineralogy and petrology collection record

Sample number E62064; COLLNOGW102;
Sample Donor Woodhall, D.G.
Rock name Metamafite, Chlorite-Actinolite.
Stratigraphy Not entered
Comments Field name: Basic rock (? tuff, lava or fine grained intrusion). Thin section: coarse-grained crystalline rick comprising mainly recrystallised feldspar, chlorite & actinolite, pronounced spherulitic texture
Locality details 270 m 176 deg from Bryn Brith; 5.4 Km NE of Fairbourne Stn.
50k map sheet Barmouth (149)

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Map reference SH 6647 1509
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E62064

Cross Polarized, E62064

Plane Polarized, E62064

Plane Polarized, E62064