BGS mineralogy and petrology collection record

Sample number E36826; MR30186;
Sample Donor Hawkes,J.R.
Rock name 'Original entry: Hornfels'
Stratigraphy Not entered
Comments Contact-altered dolerite (Hornblende plag Hornfels). NGR as in register.
Locality details Quarry name: Penlee Quarry: at 1/2 mile SSE of Newlyn (centre), 1/2 mile SSE of Newlyn (centre)
50k map sheet Penzance (358)

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Map reference SW 468 278
Year collected 1968 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E36826

Cross Polarized, E36826

Plane Polarized, E36826

Plane Polarized, E36826