BGS mineralogy and petrology collection record

Sample number S37473; COLLNOSJ489;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Rotten Rhyolite'
Stratigraphy Not entered
Comments Fluxion-banded ?trachyandesite lava d '
Locality details From Garnock Spout E 7 deg N 630 yds
50k map sheet Glasgow (30)

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Map reference NS 2925 6097
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


S37473

Cross Polarized, S37473

Plane Polarized, S37473

Plane Polarized, S37473