BGS mineralogy and petrology collection record

Sample number E47397; E47397/A; E47397/B; COLLNOAN23;
Sample Donor Wilson,A.C.
Rock name 'Original entry: Spilitized Dolerite'
Stratigraphy Not entered
Comments Coarse grained intrusive , just within aureole of Land's End Granite. Greenstone (?).
Locality details Foreshore reef above High Water Mark, 990 m. bearing 356 deg from St. Ives Railway Station.
50k map sheet Penzance (351)

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Map reference SW 5187 4117
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


E47397/A

Cross Polarized, E47397/A

Plane Polarized, E47397/A

Plane Polarized, E47397/A


E47397/B

Cross Polarized, E47397/B

Plane Polarized, E47397/B

Plane Polarized, E47397/B