BGS mineralogy and petrology collection record

Sample number S49474
Sample Donor Davies,A.
Rock name 'Original entry: Fine-Grained Andesitic Tholeiite (Qa)'
Stratigraphy Not entered
Comments Fine-grained andesitic tholeiite (QA), 35 foot dolerite dyke cf. S49483-4 same dyke
Locality details Tributary of River Ayr 1400 yards W 23 deg S of Airdsgreen Farm
50k map sheet Sanquhar (15)

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Map reference NS 7260 2810
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


S49474

Cross Polarized, S49474

Plane Polarized, S49474

Plane Polarized, S49474