BGS mineralogy and petrology collection record

Sample number S25774
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Essexite Olivine Dolerite (Kylite Group)'
Stratigraphy Not entered
Comments Essexite olivine dolerite (kylite Group),outer part of composite intrusion (probably Permian in age), cuts cementstone series, non-ophitic
Locality details Elongated hill 550 yards W 40 deg S from Carskeoch, 1 mile S of Patna
50k map sheet Ayr (14)

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Map reference NS 412 094
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


S25774

Cross Polarized, S25774

Plane Polarized, S25774

Plane Polarized, S25774