BGS mineralogy and petrology collection record

Sample number E31608; COLLNORC51;
Sample Donor Cave,R.
Rock name 'Original entry: Biomicrite'
Stratigraphy Not entered
Comments Top of Shelly Oolite. Yet with its lateraly replacing reef deposit forms basal unit of Forest Marble ie Top of beds
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


E31608

Cross Polarized, E31608

Plane Polarized, E31608

Plane Polarized, E31608