BGS mineralogy and petrology collection record

Sample number E38464
Sample Donor Hawkes,J.R.
Rock name Not entered
Stratigraphy Not entered
Comments Big feldspar granite
Locality details Baltrink Tin Ltd. BH No. TS 8, 417 yds E 25 deg N from Trink Hill Summit, St. Ives
50k map sheet Penzance (351)

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Map reference SW 5083 3730
Year collected Not entered 
Bore name Trink Hill Ts8 Towednack
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E38464

Cross Polarized, E38464

Plane Polarized, E38464

Plane Polarized, E38464