BGS mineralogy and petrology collection record

Sample number E2796
Sample Donor Not entered
Rock name Not entered
Stratigraphy Not entered
Comments granitic mylonite [ foliated granite (porphyritic) ]: phenocrysts of plagioclase, orthoclase, muscovite and quartz (strained). Feldspars tail into mosaic. Groundmass foliated granulite, doubtless advanced stage of crushing. - see Lamplugh p316
Locality details small qy in Windy Common, (N of 'm') of Foxdale granite: white trap dyke
50k map sheet Isle of Man (46)

View images in GeoScenic related to 'Isle of Man'

View a geological map near 'Isle of Man'

Map reference SC 28289 75397
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E2796

Cross Polarized, E2796

Plane Polarized, E2796

Plane Polarized, E2796