BGS mineralogy and petrology collection record

Sample number S8138
Sample Donor Barrow, G.
Rock name 'Original entry: Hornblende In Large And Small Crystals In Matrix Of Oligoclase'
Stratigraphy Not entered
Comments See Memoir, p. 58
Locality details Head of Brachlie Burn
50k map sheet Balmoral (65)

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Map reference NO 389 935
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


S8138

Cross Polarized, S8138

Plane Polarized, S8138

Plane Polarized, S8138