BGS mineralogy and petrology collection record

Sample number E48303; E48303/A; E48303/B; COLLNOLA456;
Sample Donor Allen,P.M.
Rock name 'Original entry: Tuffisite'
Stratigraphy Not entered
Comments Silicified tuffisite
Locality details 440 yds 260 deg from Faner Camp
50k map sheet Harlech (135)

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Map reference SH 7288 2037
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


E48303/A

Cross Polarized, E48303/A

Plane Polarized, E48303/A

Plane Polarized, E48303/A


E48303/B

Cross Polarized, E48303/B

Plane Polarized, E48303/B

Plane Polarized, E48303/B