BGS mineralogy and petrology collection record

Sample number S18394; COLLNO1648;
Sample Donor Clough, C.T.
Rock name 'Original entry: Essexitic Dolerite Rotten Fine-Grained Basalt Agm'
Stratigraphy Not entered
Comments ?Lamprophyric. Mapped as part of Dundonald Castle Sill, but this outcrop may represent a separate sill; rock at Dundonald Castle is different; Ayrshire Memoir, p.275
Locality details Between 1800 and 2500 ft SE of Harperland
50k map sheet Kilmarnock (22)

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Map reference NS 3686 3533
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


S18394

Cross Polarized, S18394

Plane Polarized, S18394

Plane Polarized, S18394