BGS mineralogy and petrology collection record

Sample number S45164; S45164/A; S45164/B; COLLNOXM1498;
Sample Donor Francis,E.H.
Rock name 'Original entry: ?Basic Porphyrite'
Stratigraphy Not entered
Comments Centre of 12 ft dyke; ?basic porphyrite
Locality details Gannel Burn, N bank, 1590 yds S 8 deg E from trig pt The Law
50k map sheet Stirling (39)

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Map reference NS 9122 9820
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


S45164

Cross Polarized, S45164

Plane Polarized, S45164

Plane Polarized, S45164


S45164/A

Cross Polarized, S45164/A

Plane Polarized, S45164/A

Plane Polarized, S45164/A


S45164/B

Cross Polarized, S45164/B

Plane Polarized, S45164/B

Plane Polarized, S45164/B