BGS mineralogy and petrology collection record

Sample number E30491; COLLNOC206;
Sample Donor Collins,G.H.
Rock name Not entered
Stratigraphy Not entered
Comments Not entered
Locality details Halwill Junction
50k map sheet Boscastle (322)

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Map reference SS 465 012
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


E30491

Cross Polarized, E30491

Plane Polarized, E30491

Plane Polarized, E30491