BGS mineralogy and petrology collection record

Sample number E47640; COLLNOSG293BX;
Sample Donor Strong,G.E.
Rock name Not entered
Stratigraphy Carboniferous Limestone
Comments Limestone at top of D2, collected from above the quarry and beneath the Millstone Grit.
Locality details Above old quarry, 150 Yds. WNW. of Penwyllt Inn. (Derelict).
50k map sheet Merthyr Tydfil (231)

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Map reference SN 8517 1540
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


E47640

Cross Polarized, E47640

Plane Polarized, E47640

Plane Polarized, E47640