BGS mineralogy and petrology collection record

Sample number S21232
Sample Donor Simpson,J.B.
Rock name 'Original entry: Bostonite'
Stratigraphy Not entered
Comments Occurs with S. 21231; appears to be a variation, but may be a dyke cutting s. 21231
Locality details 400 yds N 10 deg E of point where Glenmore River turns sharp south
50k map sheet Tobermory (52)

View images in GeoScenic related to 'Tobermory'

View the geology near 'Tobermory'

Map reference NM 5898 6502
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


S21232

Cross Polarized, S21232

Plane Polarized, S21232

Plane Polarized, S21232