BGS mineralogy and petrology collection record

Sample number E2114
Sample Donor Not entered
Rock name Not entered
Stratigraphy Not entered
Comments altered granodiorite [ porphyritic diabase ]: porphyritic feldspars plentiful but completely converted to sericitic tangle. Groundmass of small twinned feldspars, secondary quartz and calcite, with some chlorite. Some of the carbonate tangles might h
Locality details cliff under school, Port St Mary:
50k map sheet Isle of Man (56)

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Map reference SC 21029 67891
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions