BGS mineralogy and petrology collection record

Sample number S14783
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Quartz-Dolerite'
Stratigraphy Not entered
Comments N 35 deg W dyke, 10 ft (affinity to porphyrite); Memoir, p. 361
Locality details 280 yds N of Gortenbuie, Glen Cannel
50k map sheet Mull (44)

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Map reference NM 5904 3443
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


S14783

Cross Polarized, S14783

Plane Polarized, S14783

Plane Polarized, S14783