BGS mineralogy and petrology collection record

Sample number E29165; COLLNODK200; X2421;
Sample Donor Knill,D.C.
Rock name 'Original entry: Trachy Basalt'
Stratigraphy Not entered
Comments Rock typical of Qry
Locality details Disused Qry. 200 yds W of crissroad
50k map sheet Exeter (325)

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Map reference SX 897 918
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


E29165

Cross Polarized, E29165

Plane Polarized, E29165

Plane Polarized, E29165