BGS mineralogy and petrology collection record

Sample number S54832; COLLNOZR43;
Sample Donor Browne,M.A.E.
Rock name 'Original entry: Porphyrite'
Stratigraphy Not entered
Comments Scraps abundant in hollow; porphyrite
Locality details Knob 900 yds W of Glenduckie steading
50k map sheet Perth (48)

View images in GeoScenic related to 'Perth'

View the geology near 'Perth'

Map reference NO 2901 1937
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


S54832

Cross Polarized, S54832

Plane Polarized, S54832

Plane Polarized, S54832