BGS mineralogy and petrology collection record

Sample number S50470; S50470/A; COLLNOZA730;
Sample Donor Chisholm,J.I.
Rock name Not entered
Stratigraphy Not entered
Comments Top lava flow, near top of quarry face
Locality details Brackmont Quarrry, 1000 ft at 38 deg from Brackmont Farm, Balmullo
50k map sheet Arbroath (49)

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Map reference NO 4309 2236
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


S50470

Cross Polarized, S50470

Plane Polarized, S50470

Plane Polarized, S50470


S50470/A

Cross Polarized, S50470/A

Plane Polarized, S50470/A

Plane Polarized, S50470/A