Access the digital thin sections on the Open University's Virtual Microscope for Earth Sciences Project website.
|Ore Type||Rock Class Primary||Notes|
|Cassiterite||Ore||Silvery grey cassiterite associated with zoned quartz|
|Chalcopyrite||Ore||Bulk of the sample is golden yellow chalcopyrite. Dark grey quartz is mantled by arsenopyrite. Pale yellow inclusions in the chalcopyrite are pyrite.|
|Galena||Ore||Silvery grey galena with characteristic triangular polishing pits where material has fallen out during sample preparation. Note the abundance of scratches - also characteristic of this relatively soft mineral|
|Goethite||Ore||Botryoidal grey goethite associated with quartz|
|Sphalerite||Ore||Massive brown sphalerite which in reflected light displays a silvery grey colour.|
|Stibnite||Ore||Elongate blades of silvery-grey stibnite enclosed in quartz.|