BGS mineralogy and petrology collection record

Sample number E2478
Sample Donor Not entered
Rock name Not entered
Stratigraphy Not entered
Comments deformed granodiorite [ crushed microgranite ]: much crushed, with abundant development of muscovite; biotite all converted to chlorite; sphene, epidote,and a few zircons present. - see Lamplugh p314
Locality details at 700' contour on tramline to Snaefell: 6' sheared dyke
50k map sheet Isle of Man (46)

View images in GeoScenic related to 'Isle of Man'

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Map reference SC 41872 86504
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


E2478

Cross Polarized, E2478

Plane Polarized, E2478

Plane Polarized, E2478