BGS mineralogy and petrology collection record

Sample number E1807
Sample Donor Not entered
Rock name Not entered
Stratigraphy Not entered
Comments amygdaloidal andesite [ amygdaloidal diabase ]: much decomposed. Minerals entirely gone but shapes of feldspars unmistakeable. Amygdules fine chlorite with idiomorphic dolomite - see Lamplugh p325
Locality details dyke cutting slates N end of Arches, Langness:
50k map sheet Isle of Man (57)

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Map reference SC 28227 65747
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions