BGS mineralogy and petrology collection record

Sample number S73306; COLLNONX1196;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: Breccia Or Tuffisite, Irregular Discordant Tongue In Greywacke At Vent Margin'
Stratigraphy Not entered
Comments From ?Lower Devonian vent in Silurian greywacke/shale sequence as marked on Sheet 5W; along with S. 73276, S. 73289 - 73309 are the only examples of vent rocks in the region
Locality details Shore section, west side of Kirkcudbright Bay below Seaward Caravan Park, at Shoulder Craig
50k map sheet Kirkcudbright (5)

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Map reference NX 6633 4910
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


S73306

Cross Polarized, S73306

Plane Polarized, S73306

Plane Polarized, S73306