BGS mineralogy and petrology collection record

Sample number E57194; E57194/A; E57194/B; MR34471; COLLNOB102;
Sample Donor Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name 'Original entry: Granite'
Stratigraphy Not entered
Comments Fine granite vein.
Locality details Hill Tor, 1.55 Km. at 325 deg. from Siblyback Farm.
50k map sheet Tavistock (337)

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Map reference SX 2260 7390
Year collected 1979 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E57194/A

Cross Polarized, E57194/A

Plane Polarized, E57194/A

Plane Polarized, E57194/A


E57194/B

Cross Polarized, E57194/B

Plane Polarized, E57194/B

Plane Polarized, E57194/B