BGS mineralogy and petrology collection record

Sample number S21407
Sample Donor Simpson,J.B.
Rock name 'Original entry: Camptonite'
Stratigraphy Not entered
Comments W by N dyke; Memoir p. 359
Locality details 900 yds N 15 deg W of Crossapol Farm
50k map sheet Coll (51)

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Map reference NM 1255 5423
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


S21407

Cross Polarized, S21407

Plane Polarized, S21407

Plane Polarized, S21407