BGS mineralogy and petrology collection record

Sample number E20729; E20729/A; MR17702;
Sample Donor Not entered
Rock name 'Original entry: Granite'
Stratigraphy Not entered
Comments Pres. by C.E. Ebbutt Cornish & Devon Granite Merchants Association (Nov. 1944). Qy. of WesternCounties Granite Co. Ltd.
Locality details Ethnevas Quarry, Treglidgivith, Constantine
50k map sheet Falmouth (352)

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Map reference SW 734 305
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


E20729

Cross Polarized, E20729

Plane Polarized, E20729

Plane Polarized, E20729


E20729/A

Cross Polarized, E20729/A

Plane Polarized, E20729/A

Plane Polarized, E20729/A