BGS mineralogy and petrology collection record

Sample number E48300; E48300/A; E48300/B; E48300/C; COLLNOLA453;
Sample Donor Allen,P.M.
Rock name 'Original entry: Tuffisite'
Stratigraphy Not entered
Comments Block in Tuffisite
Locality details 560 yds 137 deg from Dol y Clochydd
50k map sheet Harlech (135)

View images in GeoScenic related to 'Harlech'

View the geology near 'Harlech'

Map reference SH 7338 2099
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


E48300/A

Cross Polarized, E48300/A

Plane Polarized, E48300/A

Plane Polarized, E48300/A


E48300/B

Cross Polarized, E48300/B

Plane Polarized, E48300/B

Plane Polarized, E48300/B


E48300/C

Cross Polarized, E48300/C

Plane Polarized, E48300/C

Plane Polarized, E48300/C