BGS mineralogy and petrology collection record

Sample number E52208
Sample Donor Styles,M.T.
Rock name Not entered
Stratigraphy Not entered
Comments Gneiss and ultrabasic
Locality details Polkerth BH No. 3, 2.1 Km 175 deg from St. Martin's Church
50k map sheet Lizard (359)

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Map reference SW 7368 2152
Year collected Not entered 
Bore name Polkerth No. 3, Martin'S Green Church
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E52208

Cross Polarized, E52208

Plane Polarized, E52208

Plane Polarized, E52208