BGS mineralogy and petrology collection record

Sample number E49530; E49530/A; E49530/B; COLLNODAN1382;
Sample Donor Dangerfield,J.; Hawkes,J.R.;
Rock name Not entered
Stratigraphy Not entered
Comments Fine granite, megacryst rich; from loose boulder.
Locality details Pennance Ridge, 1.7 Km. bearing 207 deg from Zennor Church.
50k map sheet Penzance (351)

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Map reference SW 4475 3710
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


E49530/A

Cross Polarized, E49530/A

Plane Polarized, E49530/A

Plane Polarized, E49530/A


E49530/B

Cross Polarized, E49530/B

Plane Polarized, E49530/B

Plane Polarized, E49530/B