BGS mineralogy and petrology collection record

Sample number MR4521
Sample Donor Not entered
Rock name Lamprophyres. 'Original entry: Olivine-Trachyte, Altered ("Orthophyre")'
Stratigraphy Lower Permian. Exeter Group.
Comments Olivine-trachyte, altered ("orthophyre"),Exeter Volcanic Rocks,Permian,
Locality details Qy. at Mousebeare Lane, Washfield,
50k map sheet Tiverton (310)

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Map reference SS 932 154
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions