BGS mineralogy and petrology collection record

Sample number S18515
Sample Donor Anderson,J.G.C.
Rock name 'Original entry: Tachylyte'
Stratigraphy Not entered
Comments Part of leidleite sill (same sill as S. 15996); Memoir, p. 285
Locality details 900 yds NE from cairn on Mullach Glac an t-Sneachda
50k map sheet Mull (44)

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Map reference NM 5050 2333
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


S18515

Cross Polarized, S18515

Plane Polarized, S18515

Plane Polarized, S18515