BGS mineralogy and petrology collection record

Sample number S14309
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Dolerite, Acidified'
Stratigraphy Not entered
Comments Gabbro outside Loch Ba dyke (S of Loch Ba) near granite; see S. 14710-14720; Memoir, p. 353
Locality details 800 yds due S of Benmore Lodge (in burn)
50k map sheet Mull (44)

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Map reference NM 5533 3761
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


S14309

Cross Polarized, S14309

Plane Polarized, S14309

Plane Polarized, S14309