This was a large mine, delving deep into the earth first following the lodes into the 'killas' then granite (Carn Brea granite). New Cook's shaft was named after the mine owner said the lode was as wide as his kitchen!
Uploaded to Geograph by Ashley Dace on 4 September 2012
Photo © Ashley Dace, 4 September 2012. Licensed for reuse under this Creative Commons licence