BGS mineralogy and petrology collection record

Sample number S2021
Sample Donor Maconachie,A.
Rock name 'Original entry: Biotite-Quartz Porphyry'
Stratigraphy Not entered
Comments Lower O R lavas
Locality details Quarry, Clochnahill, 2.5 miles SW of Stonehaven
50k map sheet Stonehaven (67)

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Map reference NO 8263 8316
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


S2021

Cross Polarized, S2021

Plane Polarized, S2021

Plane Polarized, S2021