BGS mineralogy and petrology collection record

Sample number E7857; COLLNO321;
Sample Donor Cantrill, T.C.
Rock name 'Original entry: Hornblende Porphyrite (Type 2)'
Stratigraphy Not entered
Comments Boulder.
Locality details 7. At the Fold Farm, Marloes, 7 miles W. of Milford.
50k map sheet Milford (227)

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Map reference
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


E7857

Cross Polarized, E7857

Plane Polarized, E7857

Plane Polarized, E7857