BGS mineralogy and petrology collection record

Sample number S10464
Sample Donor Harker, Alfred
Rock name 'Original entry: Allivalite'
Stratigraphy Not entered
Comments Summ Prog 1903, p. 56; Mem Small Isles, p. 80; see also Geol of Lizard & Meneage, 2nd Edn, p. 89
Locality details 70 yds S of trig pt of Hallival, Rum
50k map sheet Rum (60)

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View the geology near 'Rum'

Map reference NM 395 962
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


S10464

Cross Polarized, S10464

Plane Polarized, S10464

Plane Polarized, S10464