BGS mineralogy and petrology collection record

Sample number E53274; E53274/A; E53274/B; MR34575; COLLNOH21; ELABNO2860;
Sample Donor Dangerfield,J.; Hawkes,J.R.; Wheatley, C.W.;
Rock name 'Original entry: Granite'
Stratigraphy Not entered
Comments Granite, small megacryst variant.
Locality details Pearson's Quarry, 0.55 Km. bearing 045 deg. from Gunnislake Station.
50k map sheet Tavistock (337)

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Map reference SX 4305 7147
Year collected 1979 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E53274/A

Cross Polarized, E53274/A

Plane Polarized, E53274/A

Plane Polarized, E53274/A


E53274/B

Cross Polarized, E53274/B

Plane Polarized, E53274/B

Plane Polarized, E53274/B