BGS mineralogy and petrology collection record

Sample number E18498; COLLNORB1685A;
Sample Donor Road Board
Rock name 'Original entry: Hornblendic Hornfelsed Diabase'
Stratigraphy Not entered
Comments Not entered
Locality details Gwavas Quarry, Penlee Quarries Lyd., Penzance. Half a mile NE. of Paul Church.
50k map sheet Penzance (358)

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Map reference
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


E18498

Cross Polarized, E18498

Plane Polarized, E18498

Plane Polarized, E18498