Slate mining. Worker positioning a large slab of slate on a track to take it out of an underground chamber at a slate mine. Slate is a fine-grained me


Slate mining. Worker positioning a large slab of slate on a track to take it out of an underground chamber at a slate mine. Slate is a fine-grained metamorphic rock that has very distinct cleavage planes. This makes it very easy to split into sheets. It is sawn out of the rock face as large slabs and taken by truck to a mill where it is split and cut into smaller sizes. Its principal use is to make roofing tiles, although it is also used to make large objects such as optical benches and billiard tables.


Size: 3650px × 2405px
Photo credit: © PATRICK LANDMANN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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