BGS mineralogy and petrology collection record

Sample number S13852; S13852/A; S13852/B;
Sample Donor Clough, C.T.
Rock name 'Original entry: Garnet Amphibolite'
Stratigraphy Not entered
Comments Mull Pre-Tertiary Mem, p. 14; PGA Vol . 97(3), p. 251
Locality details 1100 ft SW of Dun nan Gheird
50k map sheet Colonsay (35)

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Map reference NM 4029 1872
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


S13852

Cross Polarized, S13852

Plane Polarized, S13852

Plane Polarized, S13852


S13852/A

Cross Polarized, S13852/A

Plane Polarized, S13852/A

Plane Polarized, S13852/A


S13852/B

Cross Polarized, S13852/B

Plane Polarized, S13852/B

Plane Polarized, S13852/B