China clay - also known as kaolin - is used in the manufacture of sanitary ware, paper and paints.

BBC: China clay pit

The attraction, which was built in a 160-year-old china clay quarry, will formally start consulting on the redundancies on Wednesday.

BBC: Cornwall's Eden Project to axe up to 70 jobs

The new centre will stand alongside the Eden Project's plant-filled biomes - large greenhouse domes, on the site of a former china clay pit near St Austell.

BBC: NEWS | UK | England | Cornwall | Eden's ?12m education plans