BGS mineralogy and petrology collection record

Sample number S24766
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Decomposed Ophitic Olivine Dolerite With Many Large Patches Of Quartz'
Stratigraphy Not entered
Comments Decomposed ophitic olivine dolerite with many large patches of quartz, dolerite intrusion of ash of a ?Permian neck
Locality details Greenhill (Keirs Hill) 120 yards W 10 deg N from triangulation point 1005
50k map sheet Ayr (14)

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Map reference NS 415 075
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


S24766

Cross Polarized, S24766

Plane Polarized, S24766

Plane Polarized, S24766