Sample number
S31185; COLLNOAM34;
Sample Donor
Macgregor,A.G.
Rock name
Not entered
Stratigraphy
Not entered
Comments
St Leonard's Sill. Porphyritic basalt which grades upwards into non-porphyritic basalt and is cut by chilled veins of porhyritic basalt (Locality A of section).
Locality details
Backyard, No. 39 St Leonard's Hill
50k map sheet
Edinburgh (32)
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Map reference
NT 2648 7299
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
S31185
Cross Polarized, S31185
Plane Polarized, S31185
Field of view: c. 31 mm.