BGS mineralogy and petrology collection record

Sample number E31605; COLLNORC56;
Sample Donor Cave,R.
Rock name Not entered
Stratigraphy Not entered
Comments Part of hard unbedded Marly & Oystery Limestone firming reef lenses at base of Forest Marble
Locality details Quarry opposite "Jarvis" NW. side Cironcester Tetbury road 53yds NE. Coptes & Ross 400yds E. Tarlton church
50k map sheet Swindon (252)

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Map reference ST 955 999
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


E31605

Cross Polarized, E31605

Plane Polarized, E31605

Plane Polarized, E31605