The thin section featured on day 8 of the Geo Advent Calendar was made from this rock. Since it’s so porous and weathered, it was quite difficult to get it polished evenly when making the thin section.
|Full Description||Assynt hornblende microdiorite with one cut and polished side (was used to make thin section C0081). Consists of a fine grained plagioclase groundmass with hornblende, quartz and plagioclase phenocrysts. Has a porous texture due to weathered out feldspar phenocrysts|
|Location||Loch Assynt, Sutherland, Scotland|
|From Fieldtrip?||GEOL3042: Geological and Environmental Mapping, 2015-07-02 to 2015-07-31|
|Associated Notebook?||Notebook 4|