BGS mineralogy and petrology collection record

Sample number S1670; S1670/a; S1670/b;
Sample Donor Geikie,A.
Rock name 'Original entry: Picrite (Porphyrite) F'
Stratigraphy Not entered
Comments 2 slides, a & b; Hillhouse type - columnar; Edinburgh Memoir, 1910, pp. 316, 320 and Plate XII, Fig. 6.
Locality details Hill House Quarry, Linlithgow
50k map sheet Edinburgh (32)

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Map reference NT 0040 7477
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


S1670/a

Cross Polarized, S1670/a

Plane Polarized, S1670/a

Plane Polarized, S1670/a


S1670/b

Cross Polarized, S1670/b

Plane Polarized, S1670/b

Plane Polarized, S1670/b