BGS mineralogy and petrology collection record

Sample number MR19093
Sample Donor Not entered
Rock name Granite. 'Original entry: Porphyritic Grey Granite - Post-Carboniferous'
Stratigraphy Carboniferous.
Comments Porphyritic grey granite - Post-Carboniferous,Post-Carboniferous,Collected byG.H. Collins C239
Locality details Swelltor Quarry,
50k map sheet Dartmoor Forest (338)

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Map reference SX 561 733
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions