BGS mineralogy and petrology collection record

Sample number S27630; COLLNOR32;
Sample Donor Kennedy, William Q.
Rock name Not entered
Stratigraphy Not entered
Comments Coarsely porphyritic lava cf. Markle - seems to form upper part of composite flow.
Locality details 260 yds W of summit of Cauldron Hill
50k map sheet Glasgow (30)

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Map reference NS 2350 7311
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


S27630

Cross Polarized, S27630

Plane Polarized, S27630

Plane Polarized, S27630