BGS mineralogy and petrology collection record

Sample number E21657; COLLNOSB 109;
Sample Donor Buchan,S.
Rock name 'Original entry: See 21652-3'
Stratigraphy Not entered
Comments 2.745. This concentrate was subsequently re centrifuged in CH2i2 ( 3.31 ) & mounted No's. E.21652-3.
Locality details 300yds. NW. Lower Tower Wood & 52yds. SW. Charts edge
50k map sheet Sevenoaks (287)

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Map reference TQ 449 529
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


E21657

Cross Polarized, E21657

Plane Polarized, E21657

Plane Polarized, E21657