BGS mineralogy and petrology collection record

Sample number S53370
Sample Donor Lumsden,G.I.
Rock name 'Original entry: Decomposed Monchiquite With Large Apatite Crystals'
Stratigraphy Not entered
Comments Decomposed monchiquite with large apatite crystals, monchiquite (1 foot 9 inch to 2 foot sill) with "fish" fragment (apatite crystal)
Locality details Dunaskin Glen, N bank, 150 yards E 10 deg S of Green Hill summit, 270 yards W 25 deg S of Benquhat School
50k map sheet Ayr (14)

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Map reference NS 466 095
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


S53370

Cross Polarized, S53370

Plane Polarized, S53370

Plane Polarized, S53370