BGS mineralogy and petrology collection record

Sample number S32013
Sample Donor Kennedy, William Q.
Rock name 'Original entry: Porphyry (Granodiorite Porphyry)'
Stratigraphy Not entered
Comments 100 ft dyke of granodiorite porphyry
Locality details An Torra Ban, 1500 yds N 10 deg W of spot ht 1062 ft, Druim Liath Ard
50k map sheet Tobermory (52)

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Map reference NM 8460 6390
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


S32013

Cross Polarized, S32013

Plane Polarized, S32013

Plane Polarized, S32013