BGS mineralogy and petrology collection record

Sample number S23820
Sample Donor Read, H.H.
Rock name 'Original entry: Hornblende Quartz Andesite'
Stratigraphy Not entered
Comments Hornblende quartz andesite, lava
Locality details 1160 yards E by S of Mountstewart
50k map sheet Hamilton (23)

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Map reference NS 8956 3320
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


S23820

Cross Polarized, S23820

Plane Polarized, S23820

Plane Polarized, S23820