A view into the abyss that is one of the Imerys china clay works near St Austell.
Quote from;
Link
"The granite is broken down by water pressure into its constituents quartz, mica and the feldspar from which clay derives."
"Today clay is used in the manufacture of far more products than the ceramics for which William Cookworthy first exploited Cornwall's geology more than 250 years ago."
"Before you even leave the house in the morning, you've used or touched products that include clay."
"From the plastic light switch by the bed and the paint on the walls, to the ceramics in the bathroom and the toothpaste and medicines in the cupboard, and from the rubber cable on the kettle to the coating on the cereal packet, they all contain clay."