BGS mineralogy and petrology collection record

Sample number S25723
Sample Donor Eyles,V.A.
Rock name 'Original entry: Fine-Grained Augite Andesite Lava Group 1(B)'
Stratigraphy Not entered
Comments Fine-grained augite andesite Lava Group 1(b), probably same as T 537
Locality details Howmoor Quarry few yards NE of old fort
50k map sheet Ayr (14)

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Map reference NS 278 119
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


S25723

Cross Polarized, S25723

Plane Polarized, S25723

Plane Polarized, S25723