BGS mineralogy and petrology collection record

Sample number E38110; COLLNOKH949;
Sample Donor Harrison,R.K.
Rock name 'Original entry: Feldspar Porphyry'
Stratigraphy Not entered
Comments Feldspar porphyry with basic xenoith
Locality details 1000 ft SE of Walk Mill, Silver Knott
50k map sheet Cumbria or Ambleside (38)

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View the geology near 'Cumbria or Ambleside'

Map reference SD 1298 9934
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


E38110

Cross Polarized, E38110

Plane Polarized, E38110

Plane Polarized, E38110