BGS mineralogy and petrology collection record

Sample number S30206
Sample Donor Kennedy, H.
Rock name 'Original entry: Granodiorite, Altered'
Stratigraphy Not entered
Comments Granodiorite altered by quartz-dolerite boss
Locality details 350 yds E 10 deg S of Drumnatorran farm steading
50k map sheet Tobermory (52)

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Map reference NM 8220 6251
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


S30206

Cross Polarized, S30206

Plane Polarized, S30206

Plane Polarized, S30206