BGS mineralogy and petrology collection record

Sample number S47608; S47608/A; S47608/B; COLLNOXP644;
Sample Donor Read,W.A.
Rock name 'Original entry: Concretionary Cornstone'
Stratigraphy Not entered
Comments Concretionary cornstone from centre of mudstone bed; item at 464 ft 10 in in section NS79SW/2M (see also S. 47048 from XP 644)
Locality details Gargunnock Burn, 3280 ft at 180 deg from Gargunnock Church
50k map sheet Stirling (39)

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Map reference NS 7067 9332
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


S47608

Cross Polarized, S47608

Plane Polarized, S47608

Plane Polarized, S47608


S47608/A

Cross Polarized, S47608/A

Plane Polarized, S47608/A

Plane Polarized, S47608/A


S47608/B

Cross Polarized, S47608/B

Plane Polarized, S47608/B

Plane Polarized, S47608/B