BGS mineralogy and petrology collection record

Sample number S3992
Sample Donor Macconachie,A.F.; Peach, B.N.;
Rock name 'Original entry: Biotite Porphyrite'
Stratigraphy Not entered
Comments Biotite porphyrite
Locality details Pavement of Broad Law, Moorfoot
50k map sheet Peebles (24)

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Map reference NT 340 540
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


S3992

Cross Polarized, S3992

Plane Polarized, S3992

Plane Polarized, S3992