BGS mineralogy and petrology collection record

Sample number S25776
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Theralitic Essexite'
Stratigraphy Not entered
Comments Theralitic essexite, intrusion in ash neck (probably Permian in age), neck cuts strata near base of cementstone series
Locality details Carclout Hill, quarry beside wall 1.25 miles WSW of Patna
50k map sheet Ayr (14)

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Map reference NS 393 100
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


S25776

Cross Polarized, S25776

Plane Polarized, S25776

Plane Polarized, S25776