BGS mineralogy and petrology collection record

Sample number MR5926
Sample Donor Not entered
Rock name Lapilli-Tuff. 'Original entry: Porphyrite Tuff - Altered Sandstone With Ash Fragments'
Stratigraphy Lower Permian. Exeter Group.
Comments Porphyrite tuff - altered sandstone with ash fragments,Exeter Volcanic Rocks,Lower Permian,
Locality details Pocombe Qy., near Exeter,
50k map sheet Exeter (325)

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Map reference SX 899 914
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions