BGS mineralogy and petrology collection record

Sample number S18980
Sample Donor Macconachie,A.
Rock name 'Original entry: Calcsilicate Rock'
Stratigraphy Not entered
Comments Diopside associated with biotite in large flakes
Locality details Marble quarries on E side of Balephetrish Bay, Tiree
50k map sheet Tiree (42)

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Map reference NM 0141 4734
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


S18980

Cross Polarized, S18980

Plane Polarized, S18980

Plane Polarized, S18980