BGS mineralogy and petrology collection record

Sample number S42594; COLLNOXL380;
Sample Donor Walton,H.S.
Rock name Not entered
Stratigraphy Not entered
Comments Rather pale dolerite?, with glassy or chlorophaeite patches,? c. 20 ft above base of sill
Locality details In the John's Burn, at Johnsburn House, 330 yds S 15 deg E of Larch Grove
50k map sheet Edinburgh (32)

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Map reference NT 1563 6605
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


S42594

Cross Polarized, S42594

Plane Polarized, S42594

Plane Polarized, S42594