BGS mineralogy and petrology collection record

Sample number S20456
Sample Donor Read, H.H.
Rock name 'Original entry: Knotted Rock'
Stratigraphy Not entered
Comments Boyndie Bay Group; Mem. Sh. 86/96, p. 57
Locality details Quarry, Black Law, 400 yds NE of Castlebrae Farm, Aberchider
50k map sheet Huntly (86)

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Map reference NJ 6368 5470
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


S20456

Cross Polarized, S20456

Plane Polarized, S20456

Plane Polarized, S20456