BGS mineralogy and petrology collection record

Sample number S36767; S36767/A; S36767/B; S36767/C;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Talc-Breunnerite-Magnetite Rock'
Stratigraphy Not entered
Comments Talc rock with breunnerite; Wartime Pamphlet no. 9, suppt, 1, 1949, p. 8; see Chem Anal Meme, 1956, p. 60, 65-66
Locality details Slack 1400 ft S 44 deg W of Sheepfold on path to intrusion from Corriecharmaig Farm
50k map sheet Balquhidder (46)

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Map reference NN 520 356
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


S36767

Cross Polarized, S36767

Plane Polarized, S36767

Plane Polarized, S36767


S36767/A

Cross Polarized, S36767/A

Plane Polarized, S36767/A

Plane Polarized, S36767/A


S36767/B

Cross Polarized, S36767/B

Plane Polarized, S36767/B

Plane Polarized, S36767/B


S36767/C

Cross Polarized, S36767/C

Plane Polarized, S36767/C

Plane Polarized, S36767/C