BGS mineralogy and petrology collection record

Sample number S61904; S61904/A; S61904/B;
Sample Donor Harrison,R.K.
Rock name 'Original entry: Olivine-Microgabbro, Chloritised And Sericitised'
Stratigraphy Not entered
Comments Collected by RN/IOS divers (HMS Tiger) July 1975
Locality details Helen's Reef, S end, c. 22-23 m below sea level
50k map sheet Rockall (337)

View images in GeoScenic related to 'Rockall'

Map reference 57:36,13:37
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


S61904/A

Cross Polarized, S61904/A

Plane Polarized, S61904/A

Plane Polarized, S61904/A


S61904/B

Cross Polarized, S61904/B

Plane Polarized, S61904/B

Plane Polarized, S61904/B