BGS mineralogy and petrology collection record

Sample number MR10426
Sample Donor Not entered
Rock name Porphyry. 'Original entry: Porphyritic Trachyte'
Stratigraphy Lower Devonian. Lower Old Red Sandstone Group [Obsolete: Use Daug].
Comments Porphyritic trachyte,Lower Old Red Sandstone,Lower Devonian,igneous,Collected byD Tait T3649
Locality details at ruins of Capelaw Cottage, S side of Capelaw Hill, Pentlands,
50k map sheet Edinburgh (32)

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Map reference NT 21 65
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions