BGS mineralogy and petrology collection record

Sample number E34558; COLLNOKB614;
Sample Donor Beer,K.E.
Rock name 'Original entry: Quartz Tremolite/Actinolite Plagioclase Rock'
Stratigraphy Not entered
Comments ? Feldspathised hornfelsed slate.
Locality details BH. No. 5b. 190 Yds., 120 deg. from Trig. point. (Sourton Tors).
50k map sheet Okehampton (324)

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Map reference SX 5448 8972
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


E34558

Cross Polarized, E34558

Plane Polarized, E34558

Plane Polarized, E34558