File:EGS Ballachulish Photo 17.jpg
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Summary
| description | English: Stop -1- 5. A crenulated cleavage surface of the graphitic phyllite of the Ballachulish Slate lithology. The short elongate ribs, with widely varying orientation, mark the occurrence of abundant mm- to cm-long andalusite prisms. The full mineral assemblage in the rock is andalusite + cordierite + biotite + muscovite + quartz, characteristic of Zone IVa (see discussion under Stop -1-5). The andalusite in the rock shown is a little coarser grained than in most exposures in Zone IVa.
Photo 17 From: Pattison, D.R.M. and Harte, B. The Ballachulish Igneous Complex and aureole: a field guide. Edinburgh : Edinburgh Geological Society, 2001. |
| source | Edinburgh Geological Society |
| author | Edinburgh Geological Society |
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{{subst:Custom license marker added by UW}} Edinburgh Geological Society
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:29, 3 November 2015 | | 1,404 × 955 (986 KB) | Scotfot (talk | contribs) | User created page with UploadWizard |
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